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:
Towing a Trailer
WARNING:
The driver can lose control when pulling a trailer if
the correct equipment is not used or the vehicle is
not driven properly. For example, if the trailer is
too heavy, the brakes may ...
Secondary Latch System
Your vehicle has an underbody-mounted tire hoist
assembly equipped with a secondary latch
system. It is designed to stop the spare tire from
suddenly falling off your vehicle if the cable holding
...
How OnStar Service Works
: This blue button connects you
to a specially
trained OnStar advisor to verify your account information
and to answer questions.
: Push this red emergency button to
get priority help
fro ...