Pre-collision / forward collision light

Information

What it means

The collision warning or automatic emergency braking system is off or unavailable.

What to do

Clean the windshield and front grille sensor. If it stays on in clear weather, have it checked.

Colours you may see

How the manuals describe it

“This indicator light appears: Once you set the ENGINE START/STOP button to the ON position. It appears for approximately 3 seconds and then goes off. Yellow: When Forward Safety of Forward Collision-Avoidance Assist is deselected, disabled, or a malfunction is detected.”

“Indicates a malfunction in the pre-collision system The warning light will operate as follows, even when the system is not malfunctioning: The light will flash quickly when the system is operating. (→; The light will turn on when the pre-collision braking is disabled. (→; The light will turn on when the system cannot temporarily be used. (→.”

“This light comes on when the ignition switch is placed in the ON position. It turns off after the engine is started. This light blinks when the system is temporarily unavailable due to the camera operation limited by the windshield misted/ frozen/obstructed by dirt, strong light is shining from the front or high cabin temperature.”

Nissan Altima (2026), “Automatic Emergency Braking (AEB) with Pedestrian Detection system warning light”

“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.”

Cars with this light