See also:

Using the “Re-dial” Command
1. Press and hold for two seconds. 2. After the tone, say “Re-dial.” Once connected, the person called will be heard through the audio speakers. ...

Trailer Towing
If the vehicle has a diesel engine, see the Duramax diesel supplement for more information. If the vehicle is a hybrid, see the hybrid supplement for more information. Do not tow a trailer during br ...

Power Liftgate 3/4 Mode
To program the liftgate opening height: 1. Turn the liftgate switch to either the MAX , or the 3/4 mode position and power open the liftgate. 2. Stop the liftgate movement at the desired height by ...