See also:

New Vehicle Break
Notice: Your vehicle does not need an elaborate break-in. But it will perform better in the long run if you follow these guidelines: • Keep your speed at 55 mph (88 km/h) or less for the first 5 ...

Tires
To clean the tires, use a stiff brush with tire cleaner. Notice: Using petroleum-based tire dressing products on the vehicle may damage the paint finish and/or tires. When applying a tire dressin ...

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. ...