Current and Past Models
Technical Service Bulletins and Manuals are available for current and past model GM vehicles.
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STEP ON BRAKE TO RELEASE PARK BRAKE
For vehicles with the electric parking
brake, this message displays if you
try to release the park brake system
without first pressing the brake
pedal. See the electric parking
brake informa ...
Weight of the Trailer Tongue
The tongue load (A) of any trailer is
an important weight to measure
because it affects the total gross
weight of the vehicle. The Gross
Vehicle Weight (GVW) includes the
curb weight of the ...
When the System Does Not
Seem to Work Properly
The following messages may be
displayed on the DIC:
PARKING ASSIST OFF: This
message occurs if the driver
disables the system or if vehicle is
driven above 8 km/h (5 mph) in
R (Reverse).
S ...