OnStar Services

See also:

How to Check Lubricant
To get an accurate reading, the vehicle should be on a level surface. For Two-Wheel-Drive vehicles, the proper level is from 15mm to 40mm (0.6 in to 1.6 in) below the bottom of the filler plu ...

Heated Rear Seats
The buttons are on the Rear Sear Audio (RSA) panel on the rear of the center console. Press or to heat the left outboard or right outboard seat cushion and to cycle through the temperature s ...

Battery Power Protection
This feature shuts off the dome lamps if they are left on for more than 10 minutes when the ignition is in LOCK/OFF. This helps to prevent the battery from running down. ...