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:
Pulling a Trailer
Important points for pulling a trailer:
• There are many different laws, including speed limit restrictions, having to do with trailering.
Make sure the rig will be legal, not only where you live ...
Infotainment Control Buttons
The buttons on the faceplate are used to start primary functions while using
the infotainment system.
VOL/ (Volume/Power):
1. Press to turn the system on and off.
2. Turn to adjust the volume.
...
Steering, Suspension, and Chassis Components
Visually inspect front and rear suspension and steering system for damaged, loose, or missing parts or signs of wear. Inspect the power steering for proper hook-up, binding, leaks, cracks, chafing, et ...