OnStar

See also:

All-Wheel Drive
If your vehicle is equipped with all-wheel-drive, this is an additional system that needs lubrication. Transfer Case When to Check Lubricant It is not necessary to regularly check the transfe ...

Speedometer
Displays a digital speedometer in the DIC. The speed displays in either kilometers per hour (km/h) or miles per hour (mph). To change the units from English to metric, see “Units” later in t ...

Dolly Towing (Front-Wheel—Drive Vehicles)
To tow the vehicle from the front with the rear wheels on the ground, do the following: 1. Put the front wheels on a dolly. 2. Move the shift lever to P (Park). See Shifting Into Park. 3. ...