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 the battery is discharged or disconnected.
See also:
Maintenance Replacement Parts
Replacement parts identified below by name, part number, or specification can
be obtained from your dealer.
...
Maintenance Records
After the scheduled services are performed, record the date, odometer
reading, who performed the service, and the
type of services performed in the boxes provided. Retain all maintenance
receipt ...
Starting the Vehicle
To start the engine using the remote start feature:
1. Aim the RKE transmitter at the vehicle.
2. Press and release .
3. Immediately after completing Step 2, press and hold
until the turn signa ...