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:
XM Radio Messages
XL (Explicit Language Channels): These channels, or
any others, can be blocked at a customer’s request,
by calling 1-800-852-XMXM (9696).
XM Updating: The encryption code in the receiver is
b ...
GM Mobility Reimbursement
Program
This program, available to qualified applicants, can
reimburse you up to $1,000 of the cost of eligible
aftermarket adaptive equipment required for your
vehicle, such as hand controls or a whe ...
Ignition Positions (Key Access)
The ignition switch has four different positions.
Notice: Using a tool to force the key to turn in the ignition could cause damage
to the switch or break the key. Use the correct key, make sure i ...
