See also:

Safety Belt Reminder Light
When the key is turned to RUN or START, a chime will sound for several seconds to remind you buckle your safety belt. The driver safety belt light will also come on and stay on for several seconds ...

Turn and Lane-Change Signals
The turn signal has two upward (for right) and two downward (for left) positions. These positions let you signal a turn or a lane change. To signal a turn, move the lever all the way up or down. ...

Using the Delete All Name Tags Command
The delete all name tags command deletes all stored phone book name tags and route name tags for OnStar (if present). To use the delete all name tags command: 1. Press and hold for two seconds. ...