See also:

Troubleshooting guide
...

Operating tips
CAUTION ● Do not use alcohol, benzine or thinner to clean the camera. This will cause discoloration. To clean the camera, wipe with a cloth dampened with a diluted mild cleaning agent and t ...

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 is n ...