See also:

Operation Instructions - (Disc Mode For CD And MP3/WMA Audio Play, DVD-Video)
The radio DVD player and many DVD discs are coded by geographic region. These region codes must match in order for the disc to play. If the region code for the DVD disc does not match the region ...

Winter Operation4
When operating the system during the winter months, make sure the air intake, located directly in front of the windshield, is free of ice, slush, snow, or other obstructions. ...

Parksense System Usage Precautions
NOTE: • Ensure that the rear bumper is free of snow, ice, mud, dirt and debris to keep the ParkSense system operating properly. • Jackhammers, large trucks, and other vibrations could aff ...