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:
Different Size Tires and Wheels
If wheels or tires are installed that are a different size than the original
equipment wheels and tires, vehicle performance, including its braking, ride and
handling characteristics, stability, a ...
Ride Quality
The ATS' ride quality is confident and comfortable. A difference of 1 inch in
wheel diameter isn't always noticeable, but I found the 2.5L with its 17-inch
wheels to ride a little softer than the ...
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 ...






