See also:

Regulatory Information
FCC Regulatory information – CAUTION: To maintain compliance with FCC’s RF exposure guidelines, use only the supplied antenna. Unauthorized antenna, modification, or attachments could damage ...

Chrome parts
Clean all chrome parts regularly with a nonabrasive chrome polish to maintain the finish. ...

Environmental factors influence the rate of corrosion
Moisture Accumulation of sand, dirt and water on the vehicle body underside can accelerate corrosion. Wet floor coverings will not dry completely inside the vehicle and should be removed for dry ...