Battery
The battery supplies power to start the engine and operate any additional electrical accessories.
- To avoid break–down or failure to start the vehicle, maintain a battery with full cranking power.
- Trained dealer technicians have the diagnostic equipment to test the battery and ensure that the connections and cables are corrosion–free.
See also:
Dolly Towing
(Rear-Wheel-Drive Vehicles)
Use the following procedure to dolly
tow a rear-wheel-drive vehicle from
the rear:
1. Attach the dolly to the tow
vehicle following the dolly
manufacturer's instructions.
2. Put the rear w ...
Reactivation for Subsequent
Owners
Push and follow the prompts to
speak to an Advisor as soon as
possible after acquiring the vehicle.
The Advisor will update vehicle
records and will explain the OnStar
service offers and opt ...
Tire Messages
SERVICE TIRE MONITOR SYSTEM
On vehicles with the Tire Pressure Monitor System (TPMS), this message displays
if a part on the TPMS is not working properly. The tire pressure light also flashes
and ...