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:
What Kind of Engine Oil to Use
Look for three things:
• GM6094M
Use only an oil that meets GM Standard GM6094M.
• SAE 5W-30
SAE 5W-30 is best for the vehicle. These numbers
on an oil container show its viscosity, or thi ...
Tachometer
The tachometer displays the engine speed in revolutions
per minute (rpm). ...
Lumbar Adjustment
To adjust the lumbar support:
► Press and hold the front or rear of the control to increase or decrease lumbar support.
► Press and hold the top or bottom of the control to raise or lo ...