See also:

Parking on Hills
CAUTION: You really should not park your vehicle, with a trailer attached, on a hill. If something goes wrong, your rig could start to move. People can be injured, and both your vehicle and t ...

Storing and Deleting Phone Numbers
The system can store up to 30 phone numbers as name tags in the Hands-Free Directory that is shared between the Bluetooth and OnStar systems. The following commands are used to delete and s ...

Other Warning Devices
If you carry reflective triangles, you can set them up at the side of the road about 300 feet (100 m) behind your vehicle. ...