See also:

Cellular and GPS Antennas
Avoid placing items over or near the antenna to prevent blocking cellular and GPS signal reception. Cellular reception is required for OnStar to send remote signals to the vehicle. ...

Using Your Stored Preset Destinations
These destinations are available for selection while driving. 1. Press to turn the system on. 2. A caution may appear. Press OK to proceed. 3. Press DEST. 4. Select one of the available preset de ...

Tire Designations
Tire Size The following is an example of a typical passenger vehicle tire size. (A) Passenger (P–Metric) Tire: The United States version of a metric tire sizing system. The letter P as the ...