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 Signals When Towing a Trailer
The arrows on the instrument panel flash whenever signaling a
turn or lane change. Properly hooked up, the trailer lamps also flash, telling other
drivers the vehicle is turning, changing lanes, o ...
Selecting the Right Engine Oil
Selecting the right engine oil depends on both the proper oil specification and
viscosity grade. See Recommended Fluids and Lubricants .
Specification
Use and ask for licensed engine oils with the ...
Conference Calling
Conference calling and three-way
calling must be supported on the
Bluetooth phone and enabled by the
wireless service carrier to work.
To start a conference while in a
current call:
1. Turn ...