See also:

Speedometer
The speedometer shows the vehicle's speed in either kilometers per hour (km/h) or miles per hour (mph). ...

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. ...

Folding the Seatback
To fold the second row seatbacks: 1. Remove anything on or under the seat. 2. Place the armrest in the upright position, and unfasten the safety belt. 3. Pull forward on the reclining seatback stra ...