See also:

How to Add Coolant to the CoolantRecovery Tank
If you have not found a problem yet, but the coolant level is not at the FULL COLD mark, add a 50/50 mixture of clean, drinkable water and DEX-COOL® engine coolant at the coolant recovery tank. ...

Selecting a Band
Press the RADIO/BAND button to choose AM, FM, or XM, if equipped. The last station that was playing starts playing again. ...

Navigation
OnStar navigation requires the Directions and Connections service plan. Push to receive directions or have them sent to the vehicle navigation screen. Destinations can also be forwarded to ...