Service Vehicle Messages
SERVICE AC SYSTEM
This message is displayed if there is a problem with the air conditioning system. Take the vehicle to your dealer for service.
SERVICE POWER STEERING
This message is displayed if there is a problem with the power steering system. Take the vehicle to your dealer for service.
SERVICE VEHICLE SOON
This message is displayed if there is a problem with the vehicle. Take the vehicle to your dealer for service.
See also:
Shifting Out of Neutral
To shift the transfer case out of N (Neutral) do the following:
1. Set the parking brake and apply the regular brake pedal.
2. Turn the ignition to ON/RUN with the engine off, and shift the transmis ...
Place a Call Using a Stored Number
1. Push . System responds: “OnStar
ready.”
2. Say “Call <name tag>.” System responds: “OK, calling <name tag>.”
Verify Minutes and Expiration
Push and say “minutes” t ...
Battery Load Management
The vehicle has Electric Power Management (EPM) that estimates the battery's
temperature and state of charge. It then adjusts the voltage for best performance
and extended life of the battery. ...





