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:
Steps for Determining Correct Load Limit
1. Locate the statement “The combined weight of
occupants and cargo should never exceed
XXX kg or XXX lbs” on your vehicle’s placard.
2. Determine the combined weight of the driver
and pa ...
Windows
Press the switch to lower the
window. Pull the switch up to
raise it.
For more information, see Power
Windows. ...
Headlamp High/Low-Beam Changer
(Headlamp High/Low-Beam
Changer): Push the turn signal/lane change lever away from you
and release, to turn the high beams
on. To return to low beams, push
the lever again or pull it toward y ...
