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 and service of the vehicle.
See also:
Turn Signal/Multifunction Lever
The lever on the left side of the steering column
includes the following:
: Turn and Lane-Change Signals
: Headlamp High/Low-Beam Changer
: Windshield Wipers
: Windshield Washer
Flash-To- ...
Connecting and Controlling a USB Drive (Radio with CD and Radio with
CD/DVD/MEM)
The infotainment system can only
play back .mp3 and .wma files from
a USB drive.
Only the first 2,500 songs are
recognized on the device.
When a device is not supported, the
message “No su ...
Fuel System Messages
FUEL LEVEL LOW
This message displays when the
vehicle is low on fuel. Refuel as
soon as possible.
TIGHTEN GAS CAP
This message displays when the
fuel cap is not on tight. Tighten the
fuel c ...