Parental Control
The RSE system may have a Parental Control feature, depending on the radio. To enable Parental Control, press and hold the radio power button for more than two seconds to stop all system features such as: radio, video screen, RSA, DVD and/or CD.
While Parental Control is on, 
displays.
When the radio is turned back on, Parental Control is unlocked.
See also:
Stopping and Resuming Playback
To stop playing a DVD without turning off the system, do one of the following:
• Press on the remote control.
• Press the softkey under the stop or the play/pause icons displayed on the radio.
...
Compass Zone
The zone is set to zone eight upon leaving the factory. Your dealer will set the correct zone for your location.
Under certain circumstances, such as during a long distance cross-country trip or movi ...
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. ...