See also:

Battery
WARNING The battery gives off explosive hydrogen gas during normal operation. A spark or flame can cause the battery to explode with enough force to kill or seriously hurt you. When conducti ...

Compass Calibration
If the compass indicates the wrong direction, or the CAL indicator blinks, you need to manually calibrate the system. 1. Turn the ignition switch to ON . 2. On the top screen of any audio sour ...

Checking the Battery
Check the battery condition monthly. Look at the test indicator window and check the terminals for corrosion. If your vehicle's battery is disconnected or goes dead:  - The audio system ...