Operation CHARM: Car repair manuals for everyone.
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Volume Does Not Change

Volume does not change

NOTE:
- Check the vehicle battery condition first.
- Check the connectors for poor connections or loose terminals.
- Set the fader and balance positions to the center.

1. Listen for sound from the speakers.

Is the sound normal?

YES - Go to step 2.

NO - Go to audio system sound is weak or distorted, or no sound is heard from speakers, with navigation, without navigation.

2. Operate the volume knob to see if the volume changes.

Does the volume change?

YES - Operation is normal.

NO -
- With navigation: Replace navigation unit.
- Without navigation: Replace audio unit.