Service Vehicle Messages
SERVICE A/C (Air Conditioning) 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 POWER STEERING
This message displays when a problem is detected with the power steering system. When this message is displayed, you may notice that the effort required to steer the vehicle increases or feels heavier, but you will still be able to steer the vehicle. Have your vehicle serviced by your dealer immediately.
SERVICE VEHICLE SOON
This message displays when a non-emissions related malfunction occurs. Have the vehicle serviced by your dealer as soon as possible.
STARTING DISABLED SERVICE THROTTLE
This message displays when your vehicle's throttle system is not functioning properly. Have your vehicle serviced by your dealer.
See also:
Engine Hours
To display the ENGINE HOURS, place the ignition in LOCK/OFF or ACC/ACCESSORY, then press and hold the trip odometer reset stem for four seconds while viewing the ODOMETER. This display shows the total ...
Vehicle and Power Issues
OnStar services require a vehicle electrical system, wireless service, and GPS satellite technologies to be available and operating for features to function properly. These systems may not operate if ...
Tire Messages
SERVICE TIRE MONITOR SYSTEM
If the vehicle has the Tire Pressure Monitor System (TPMS), this message displays if a part on the system is not working properly. The tire pressure light also flashes and ...