Toyota Prius dashboard symbols and warning lights
Every light in the Toyota Prius owner's manual, 2010 to 2026. Tap a light to see what it means and what to do. Red means stop safely, amber means get it checked soon.
2023 to 2026 Prius warning lights
Brake system warning light
Stop safely
The manual says: Indicates that: The brake fluid level is low; or The brake system is malfunctioning; Continuing to drive the vehicle may be dangerous.
What to do: Immediately stop the vehicle in a safe place and contact your Toyota dealer.
Brake system warning light
Check soon
The manual says: Indicates a malfunction in: The parking brake system; The regenerative braking system; or The electronically controlled brake system.
What to do: Have the vehicle inspected by your Toyota dealer immediately.
Charging system warning light
Stop safely · usual colour
The manual says: Indicates a malfunction in the vehicle’s charging system.
What to do: Immediately stop the vehicle in a safe place and contact your Toyota dealer.
More about the battery / charging system light · Shop jump starters on Amazon
High coolant temperature warning light
Stop safely · usual colour
The manual says: Indicates that the engine is overheating.
What to do: Immediately stop the vehicle in a safe place.
More about the engine temperature warning light · Shop coolants on Amazon
Low engine oil pressure warning light
Stop safely · usual colour
The manual says: Indicates that the engine oil pressure is too low.
What to do: Immediately stop the vehicle in a safe place and contact your Toyota dealer.
More about the oil pressure warning light · Shop engine oils on Amazon
Hybrid system overheat warning light
Stop safely · usual colour
The manual says: Indicates that the hybrid system has overheated.
What to do: Stop the vehicle in a safe place.
More about the engine temperature warning light · Shop coolants on Amazon
Malfunction indicator lamp
Check soon · usual colour
The manual says: Indicates a malfunction in: The hybrid system; The electronic engine control system; The electronic throttle control system; or The emission control system (if equipped).
What to do: Have the vehicle inspected by your Toyota dealer immediately.
More about the check engine light · Shop OBD2 scanners on Amazon
SRS warning light
Check soon · usual colour
The manual says: Indicates a malfunction in: The SRS airbag system; or The seat belt pretensioner system.
What to do: Have the vehicle inspected by your Toyota dealer immediately.
ABS warning light
Check soon · usual colour
The manual says: Indicates a malfunction in: The ABS; or The brake assist system.
What to do: Have the vehicle inspected by your Toyota dealer immediately.
Electric power steering system warning light (warning
Stop safely
The manual says: Indicates a malfunction in the EPS (Electric Power Steering) system.
What to do: Have the vehicle inspected by your Toyota dealer immediately.
PCS warning light
Check soon · usual colour
The manual says: Indicates a malfunction in the PCS (Pre-Collision System).; If the PCS (Pre-Collision System) or VSC (Vehicle Stability Control) system is disabled, the PCS warning light will illuminate.
What to do: Follow the instructions displayed on the multi-information display.
LTA indicator
Check soon
The manual says: Indicates a malfunction in the LTA (Lane Tracing Assist).
What to do: Follow the instructions displayed on the multi-information display.
LDA indicator
Check soon
The manual says: Indicates a malfunction in the LDA (Lane Departure Alert).
What to do: Follow the instructions displayed on the multi-information display.
PDA indicator
Check soon
The manual says: Indicates a malfunction in the PDA (Proactive Driving Assist).
What to do: Follow the instructions displayed on the multi-information display.
Dynamic radar cruise control indicator
Check soon
The manual says: Indicates a malfunction in the dynamic radar cruise control.
What to do: Follow the instructions displayed on the multi-information display.
Cruise control indicator
Check soon
The manual says: Indicates a malfunction in the cruise control.
What to do: Follow the instructions displayed on the multi-information display.
Driving assist information indicator
Check soon · usual colour
The manual says: Indicates either of the following systems may be malfunctioning.; PCS (Pre-Collision System); LDA (Lane Departure Alert); Indicates any of the following systems are malfunctioning, disabled, or turned off.; PKSB (Parking Support Brake) (if equipped); RCD (Rear Camera Detection) (if equipped); BSM (Blind Spot Monitor); RCTA (Rear cross traffic alert); Safe Exit Assist.
What to do: Follow the instructions displayed on the multi-information display. Follow the instructions displayed on the multi-information display.
Intuitive parking assist OFF indicator
Check soon · usual colour
The manual says: When a buzzer sounds: Indicates a malfunction in the Intuitive parking assist function; When a buzzer does not sound: Indicates that the system is temporarily unavailable, possibly due to a sensor being dirty or covered with ice, etc.
What to do: Have the vehicle inspected by your Toyota dealer immediately. Follow the instructions displayed on the multi-information display.
Slip indicator light
Check soon · usual colour
The manual says: Indicates a malfunction in: The VSC system; The TRAC system; or The hill-start assist control system.
What to do: Have the vehicle inspected by your Toyota dealer immediately.
Inappropriate pedal operation warning light
Check soon · usual colour
The manual says: When a buzzer sounds: Brake Override System is malfunctioning; When a buzzer does not sound: Brake Override System is operating.
What to do: Drive-Start Control is malfunctioning; Drive-Start Control is operating; Follow the instructions displayed on the multi-information display. Release the accelerator pedal and depress the brake pedal.
Brake hold operated indicator
Information · usual colour
The manual says: (Flashes) Indicates a malfunction in the brake hold system.
What to do: Have the vehicle inspected by your Toyota dealer immediately.
Parking brake indicator
Stop safely · usual colour
The manual says: (Flashes) (Flashes) It is possible that the parking brake is not fully engaged or released; Operate the parking brake switch once again. This light comes on when the parking brake is not released. If the light turns off after the parking brake is fully released, the system is operating normally.
What to do: Release the parking brake before driving. If it flashes or will not release, see a dealer.
Tire pressure warning light
Check soon · usual colour
The manual says: When the light comes on after blinking for approximately 1 minute (a buzzer does not sounds): Malfunction in the tire pressure warning system; When the light comes on (a buzzer sounds): Low tire inflation pressure from natural causes; After the temperature of the tires has lowered sufficiently, check the inflation pressure of each tire and adjust them to the specified level.
What to do: Have the system checked by your Toyota dealer. Immediately stop the vehicle in a safe place and perform the necessary actions.
More about the tire pressure (tpms) light · Shop tire inflators on Amazon
Low fuel level warning light
Check soon · usual colour
The manual says: AWD models Indicates that remaining fuel is approximately 1.7 gal. (6.0 L, 1.4 Imp. gal.) or less; 2WD models Indicates that remaining fuel is approximately 1.6 gal. (6.4 L, 1.3 Imp. gal.) or less.
What to do: Refuel the vehicle.
Rear passengers’ seat belt reminder light*1 (warning
Information · usual colour
The manual says: Warns the rear passengers to fasten their seat belts.
What to do: Fasten the seat belt.
| Light | Colour | Meaning | |
|---|---|---|---|
| Brake system warning light | Red | Indicates that: The brake fluid level is low; or The brake system is malfunctioning; Continuing to drive the vehicle may be dangerous. | |
| Charging system warning light | Red* | Indicates a malfunction in the vehicle’s charging system. | |
| High coolant temperature warning light | Red* | Indicates that the engine is overheating. | |
| Low engine oil pressure warning light | Red* | Indicates that the engine oil pressure is too low. | |
| Hybrid system overheat warning light | Red* | Indicates that the hybrid system has overheated. | |
| Electric power steering system warning light (warning | Red | Indicates a malfunction in the EPS (Electric Power Steering) system. | |
| Parking brake indicator | Red* | (Flashes) (Flashes) It is possible that the parking brake is not fully engaged or released; Operate the parking brake switch once again. This light comes on when the parking brake is not released. If the light turns off after the parking brake is fully released, the system is operating normally. | |
| Brake system warning light | Amber | Indicates a malfunction in: The parking brake system; The regenerative braking system; or The electronically controlled brake system. | |
| Malfunction indicator lamp | Amber* | Indicates a malfunction in: The hybrid system; The electronic engine control system; The electronic throttle control system; or The emission control system (if equipped). | |
| SRS warning light | Amber* | Indicates a malfunction in: The SRS airbag system; or The seat belt pretensioner system. | |
| ABS warning light | Amber* | Indicates a malfunction in: The ABS; or The brake assist system. | |
| PCS warning light | Amber* | Indicates a malfunction in the PCS (Pre-Collision System).; If the PCS (Pre-Collision System) or VSC (Vehicle Stability Control) system is disabled, the PCS warning light will illuminate. | |
| LTA indicator | Amber | Indicates a malfunction in the LTA (Lane Tracing Assist). | |
| LDA indicator | Amber | Indicates a malfunction in the LDA (Lane Departure Alert). | |
| PDA indicator | Amber | Indicates a malfunction in the PDA (Proactive Driving Assist). | |
| Dynamic radar cruise control indicator | Amber | Indicates a malfunction in the dynamic radar cruise control. | |
| Cruise control indicator | Amber | Indicates a malfunction in the cruise control. | |
| Driving assist information indicator | Amber* | Indicates either of the following systems may be malfunctioning.; PCS (Pre-Collision System); LDA (Lane Departure Alert); Indicates any of the following systems are malfunctioning, disabled, or turned off.; PKSB (Parking Support Brake) (if equipped); RCD (Rear Camera Detection) (if equipped); BSM (Blind Spot Monitor); RCTA (Rear cross traffic alert); Safe Exit Assist. | |
| Intuitive parking assist OFF indicator | Amber* | When a buzzer sounds: Indicates a malfunction in the Intuitive parking assist function; When a buzzer does not sound: Indicates that the system is temporarily unavailable, possibly due to a sensor being dirty or covered with ice, etc. | |
| Slip indicator light | Amber* | Indicates a malfunction in: The VSC system; The TRAC system; or The hill-start assist control system. | |
| Inappropriate pedal operation warning light | Amber* | When a buzzer sounds: Brake Override System is malfunctioning; When a buzzer does not sound: Brake Override System is operating. | |
| Tire pressure warning light | Amber* | When the light comes on after blinking for approximately 1 minute (a buzzer does not sounds): Malfunction in the tire pressure warning system; When the light comes on (a buzzer sounds): Low tire inflation pressure from natural causes; After the temperature of the tires has lowered sufficiently, check the inflation pressure of each tire and adjust them to the specified level. | |
| Low fuel level warning light | Amber* | AWD models Indicates that remaining fuel is approximately 1.7 gal. (6.0 L, 1.4 Imp. gal.) or less; 2WD models Indicates that remaining fuel is approximately 1.6 gal. (6.4 L, 1.3 Imp. gal.) or less. | |
| Brake hold operated indicator | Green* | (Flashes) Indicates a malfunction in the brake hold system. | |
| Rear passengers’ seat belt reminder light*1 (warning | Green* | Warns the rear passengers to fasten their seat belts. |
Source: 2023 Toyota Prius Owner's Manual; 2024 Toyota Prius Owner's Manual; 2025 Toyota Prius Owner's Manual and others. * Usual colour; the manual text doesn't state it.
2010 to 2022 Prius warning lights
Brake system warning light (yellow indicator)
Check soon
The manual says: Indicates a malfunction in: The regenerative braking system; or The electronically controlled brake system.
What to do: Have the vehicle inspected by your Toyota dealer immediately.
Charging system warning light
Stop safely · usual colour
The manual says: Indicates a malfunction in the vehicle’s charging system.
What to do: Immediately stop the vehicle in a safe place and contact your Toyota dealer.
More about the battery / charging system light · Shop jump starters on Amazon
Low engine oil pressure warning light
Stop safely · usual colour
The manual says: (warning buzzer)*2 Indicates that the engine oil pressure is too low.
What to do: Immediately stop the vehicle in a safe place and contact your Toyota dealer.
More about the oil pressure warning light · Shop engine oils on Amazon
Malfunction indicator lamp
Check soon · usual colour
The manual says: Indicates a malfunction in: The hybrid system; The electronic engine control system; or The electronic throttle control system.
What to do: Have the vehicle inspected by your Toyota dealer immediately.
More about the check engine light · Shop OBD2 scanners on Amazon
SRS warning light
Check soon · usual colour
The manual says: Indicates a malfunction in: The SRS airbag system; The front passenger occupant classification system; or The seat belt pretensioner system.
What to do: Have the vehicle inspected by your Toyota dealer immediately.
ABS warning light
Check soon · usual colour
The manual says: Indicates a malfunction in: The ABS; or The brake assist system; (Red/yellow) Electric power steering system warning light (warning buzzer) Indicates a malfunction in the EPS (Electric Power Steering) system; (Flashes or illuminates) (If equipped).
What to do: Have the vehicle inspected by your Toyota dealer immediately. Have the vehicle inspected by your Toyota dealer immediately.
PCS warning light
Check soon
The manual says: When a buzzer sounds simultaneously: Indicates a malfunction has occurred in the PCS (PreCollision System).; When a buzzer does not sound: The PCS (Pre-Collision System) has become temporarily unavailable, corrective action may be necessary.;, 605) If the PCS (Pre-Collision System) or VSC (Vehicle Stability Control) system is disabled, the PCS warning light will illuminate. (Orange) (If equipped).
What to do: Have the vehicle inspected by your Toyota dealer immediately. Follow the instructions displayed on the multi-information display.
LTA indicator
Check soon · usual colour
The manual says: Indicates a malfunction in the LTA (Lane Tracing Assist).
What to do: Follow the instructions displayed on the multi-information display.
Slip indicator light
Check soon · usual colour
The manual says: Indicates a malfunction in: The VSC system; The TRAC system; or The hill-start assist control system; The light will flash when the ABS, VSC or TRAC system is operating.
What to do: Have the vehicle inspected by your Toyota dealer immediately.
High coolant temperature warning light
Stop safely · usual colour
The manual says: When the light flashes: Indicates that the engine coolant temperature is too high The light changes from a flashing to a solid light when the temperature further increases; When the light comes on without flashing: Indicates a malfunction in the exhaust heat recirculator system; (Flashes) (If equipped).
What to do: Immediately stop the vehicle in a safe place. Have the vehicle inspected by your Toyota dealer immediately.
More about the engine temperature warning light · Shop coolants on Amazon
PKSB OFF indicator
Check soon · usual colour
The manual says: Indicates a malfunction in the Parking Support Brake function; The warning light will operate as follows, even when the system is not malfunctioning: The light will come on when the Parking Support Brake function is turned off; The light will come on when the Parking Support Brake function is operating; The light will flash when the system cannot be temporarily used.
What to do: Have the vehicle inspected by your Toyota dealer.
Open door warning light
Stop safely · usual colour
The manual says: Indicates that a door is not fully closed.
What to do: Check that all the doors are closed.
Low fuel level warning light
Check soon · usual colour
The manual says: Indicates that remaining fuel is approximately 1.7 gal. (6.4 L, 1.4 Imp.gal.) or less.
What to do: Refuel the vehicle.
Driver’s and front passenger’s seat belt reminder light
Information · usual colour
The manual says: (warning buzzer)*4 Warns the driver and/or front passenger to fasten their seat belts; If the front passenger’s seat is occupied, the front passenger’s seat belt also needs to be fastened to make the warning light (warning buzzer) turn off. Rear passengers’ seat belt reminder lights (warning buzzer)*5 Warns the rear passengers to fasten their seat belts.
What to do: Fasten the seat belt. Fasten the seat belt.
Master warning light
Check soon · usual colour
The manual says: A buzzer sounds and the warning light comes on and flashes to indicate that the master warning system has detected a malfunction.
What to do: Read the message on the multi-information display. Red means stop safely; amber means get it checked.
Tire pressure warning light
Check soon · usual colour
The manual says: When the light comes on: Low tire inflation pressure such as; Natural causes; Flat tire, 627); Adjust the tire inflation pressure to the specified level. The light will turn off after a few minutes. In case the light does not turn off even if the tire inflation pressure is adjusted, have the system checked by your Toyota dealer.
What to do: Have the system checked by your Toyota dealer.
More about the tire pressure (tpms) light · Shop tire inflators on Amazon
AFS OFF indicator
Check soon · usual colour
The manual says: Indicates a malfunction in the adaptive front-lighting system.
What to do: Have the vehicle inspected by your Toyota dealer immediately.
QSRS warning light
Check soon · usual colour
The manual says: This warning light system monitors the airbag sensor assembly, front impact sensors, side impact sensors (front door), side impact sensors (front), side impact sensors (rear), driver’s seat belt buckle switch, front passenger occupant classification system (ECU and sensors), “AIR BAG ON” indicator light, “AIR BAG OFF” indicator light, front passenger’s seat belt buckle switch, seat belt pretension ers, airbags,…
QElectric power steering system warning light
Check soon · usual colour
The manual says: When the 12-volt battery charge becomes insufficient or the voltage temporarily drops, the electric power steering system warning light may come on and the warning buzzer may sound. QIf the malfunction indicator lamp comes on while driving First check the following: OIs the fuel tank empty? If it is, fill the fuel tank immediately. OIs the fuel tank cap loose? If it is, tighten it securely.
What to do: Drive carefully and have it checked. If it came on after a lot of parking manoeuvres, it can reset after the car cools down.
| Light | Colour | Meaning | |
|---|---|---|---|
| Charging system warning light | Red* | Indicates a malfunction in the vehicle’s charging system. | |
| Low engine oil pressure warning light | Red* | (warning buzzer)*2 Indicates that the engine oil pressure is too low. | |
| High coolant temperature warning light | Red* | When the light flashes: Indicates that the engine coolant temperature is too high The light changes from a flashing to a solid light when the temperature further increases; When the light comes on without flashing: Indicates a malfunction in the exhaust heat recirculator system; (Flashes) (If equipped). | |
| Open door warning light | Red* | Indicates that a door is not fully closed. | |
| Brake system warning light (yellow indicator) | Amber | Indicates a malfunction in: The regenerative braking system; or The electronically controlled brake system. | |
| Malfunction indicator lamp | Amber* | Indicates a malfunction in: The hybrid system; The electronic engine control system; or The electronic throttle control system. | |
| SRS warning light | Amber* | Indicates a malfunction in: The SRS airbag system; The front passenger occupant classification system; or The seat belt pretensioner system. | |
| ABS warning light | Amber* | Indicates a malfunction in: The ABS; or The brake assist system; (Red/yellow) Electric power steering system warning light (warning buzzer) Indicates a malfunction in the EPS (Electric Power Steering) system; (Flashes or illuminates) (If equipped). | |
| PCS warning light | Amber | When a buzzer sounds simultaneously: Indicates a malfunction has occurred in the PCS (PreCollision System).; When a buzzer does not sound: The PCS (Pre-Collision System) has become temporarily unavailable, corrective action may be necessary.;, 605) If the PCS (Pre-Collision System) or VSC (Vehicle Stability Control) system is disabled, the PCS warning light will illuminate. (Orange) (If equipped). | |
| LTA indicator | Amber* | Indicates a malfunction in the LTA (Lane Tracing Assist). | |
| Slip indicator light | Amber* | Indicates a malfunction in: The VSC system; The TRAC system; or The hill-start assist control system; The light will flash when the ABS, VSC or TRAC system is operating. | |
| PKSB OFF indicator | Amber* | Indicates a malfunction in the Parking Support Brake function; The warning light will operate as follows, even when the system is not malfunctioning: The light will come on when the Parking Support Brake function is turned off; The light will come on when the Parking Support Brake function is operating; The light will flash when the system cannot be temporarily used. | |
| Low fuel level warning light | Amber* | Indicates that remaining fuel is approximately 1.7 gal. (6.4 L, 1.4 Imp.gal.) or less. | |
| Master warning light | Amber* | A buzzer sounds and the warning light comes on and flashes to indicate that the master warning system has detected a malfunction. | |
| Tire pressure warning light | Amber* | When the light comes on: Low tire inflation pressure such as; Natural causes; Flat tire, 627); Adjust the tire inflation pressure to the specified level. The light will turn off after a few minutes. In case the light does not turn off even if the tire inflation pressure is adjusted, have the system checked by your Toyota dealer. | |
| AFS OFF indicator | Amber* | Indicates a malfunction in the adaptive front-lighting system. | |
| QSRS warning light | Amber* | This warning light system monitors the airbag sensor assembly, front impact sensors, side impact sensors (front door), side impact sensors (front), side impact sensors (rear), driver’s seat belt buckle switch, front passenger occupant classification system (ECU and sensors), “AIR BAG ON” indicator light, “AIR BAG OFF” indicator light, front passenger’s seat belt buckle switch, seat belt pretension ers, airbags,… | |
| QElectric power steering system warning light | Amber* | When the 12-volt battery charge becomes insufficient or the voltage temporarily drops, the electric power steering system warning light may come on and the warning buzzer may sound. QIf the malfunction indicator lamp comes on while driving First check the following: OIs the fuel tank empty? If it is, fill the fuel tank immediately. OIs the fuel tank cap loose? If it is, tighten it securely. | |
| Driver’s and front passenger’s seat belt reminder light | Green* | (warning buzzer)*4 Warns the driver and/or front passenger to fasten their seat belts; If the front passenger’s seat is occupied, the front passenger’s seat belt also needs to be fastened to make the warning light (warning buzzer) turn off. Rear passengers’ seat belt reminder lights (warning buzzer)*5 Warns the rear passengers to fasten their seat belts. |
Source: 2010 Toyota Prius Owner's Manual; 2011 Toyota Prius Owner's Manual; 2012 Toyota Prius Owner's Manual and others. * Usual colour; the manual text doesn't state it.
More for the Prius
Toyota Prius key fob battery size · All Toyota dashboard symbols