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:
Grade Braking
The Grade Braking shift modes can be activated by pressing the button on the
end of the shift control lever. While in Range Selection Mode, Grade Braking is
deactivated allowing the driver to sele ...
Tires
Every new GM vehicle has high-quality tires made by a leading tire
manufacturer.
See the warranty manual for information regarding the tire warranty and
where to get service. For additional infor ...
Park Brake and P (Park) Mechanism Check
WARNING
When you are doing this check, the vehicle could begin to move.
You or others could be injured and property could be damaged.
Make sure there is room in front of the vehicle in case it beg ...