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 ...

Relative humidity
Corrosion will be accelerated in areas of high relative humidity, especially those areas where the temperatures stay above freezing and where atmospheric pollution exists and road salt is used. ...

Battery
- Keep the battery surface clean and dry. Clean the battery with a solution of baking soda and water. - Make certain the terminal connections are clean and securely tightened. - If the vehicle ...