OnStar Overview
EmergencyIf the On Indicator Is Lit for a Child Restraint
If a child restraint has been installed and the on indicator is lit:
Turn the vehicle off.
Remove the child restraint from the vehicle.
Remove any additional items from the seat such as blankets, cushions, seat
covers, seat heaters, or seat massagers.
Reinstall the child restraint follo ...
Ignition Positions
The ignition switch has four different positions.
The uplevel key must be fully extended to start the vehicle.
To shift out of P (Park), the ignition must be in ON/RUN and the regular brake
pedal applied.
1 (STOPPING THE ENGINE/LOCK/ OFF): When the vehicle is stopped, turn the ignition
sw ...
Service Publications Ordering Information
Service Manuals
Service Manuals have the diagnosis and repair information on the engines, transmission,
axle, suspension, brakes, electrical, steering, body, etc.
Service Bulletins
Service Bulletins give additional technical service information needed to knowledgeably
service General Motors c ...