Lamp Messages
SERVICE LEFT HEADLAMP ASSEMBLY
On some models, this message will be displayed when the left headlamp is out and needs to be serviced. See “LED Lighting” in LED Lighting for more information.
SERVICE RIGHT HEADLAMP ASSEMBLY
On some models, this message will be displayed when the right headlamp is out and needs to be serviced. See “LED Lighting” in LED Lighting for more information.
TURN SIGNAL ON
This message displays and a chime sounds if a turn signal is left on for 1.2 km (3/4 of a mi). Move the turn signal/multifunction lever to the off position.
See also:
Adding Equipment to the Airbag-Equipped Vehicle
Q: Is there anything I might add to or change about the vehicle that could keep
the airbags from working properly?
A: Yes. If you add things that change the vehicle's frame, bumper system, heig ...
Wiper Activated Headlamps
This feature activates the
headlamps and parking lamps
after the windshield wipers have
been in use for about six seconds.
For this feature to work, the exterior
lamp control must be in AUTO. ...
Service Bulletins
Service Bulletins give additional
technical service information
needed to knowledgeably service
General Motors cars and trucks.
Each bulletin contains instructions
to assist in the diagnosis ...






