See also:

Heated Seats
Heated Front Seats The buttons are on the climate control panel. To operate, the ignition must be on. Press to heat the driver or passenger seat cushion and seatback. Indicator lights on the clim ...

Heated Mirrors
The vehicle has heated mirrors: (Rear Window Defogger): Press to heat the mirrors. See “Rear Window Defogger” under Dual Automatic Climate Control System  for more information. ...

Place a Call Using a Stored Number
1. Push . System responds: “OnStar ready.”. 2. Say “Call <name tag>.” System responds: “OK, calling <name tag>.” ...