Service Vehicle Messages
SERVICE A/C SYSTEM
This message displays when the electronic sensors that control the air conditioning and heating systems are no longer working.
Have the climate control system serviced by your dealer if you notice a drop in heating and air conditioning efficiency.
SERVICE VEHICLE SOON
This message displays when a non-emissions related malfunction occurs. Have the vehicle serviced by your dealer as soon as possible.
See also:
OnStar Additional Information
Transferring Service
Push to request account transfer eligibility information. The Advisor can
assist in canceling or removing account information. If OnStar receives
information that vehicle own ...
Universal Remote System Operation
Using the Universal Remote System
Press and hold the appropriate Universal Remote system button for at least
half of a second.
The indicator light will come on while the signal is being transmi ...
Automatic Door Locks
For vehicles with an automatic
transmission, the doors will lock
automatically when all doors are
closed, the ignition is on, and the
shift lever is moved out of P (Park).
The doors will auto ...