Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Volume does not change (with navigation)
- Check the vehicle battery condition first (see 12 VOLT BATTERY TEST ).
- Check the connectors for poor connections or loose terminals.
- Set the fader and balance positions to the center.
- If the volume button does not change volume with the audio remote switch on the steering wheel, go to audio remote switch does not work properly (see AUDIO REMOTE SWITCH DOES NOT WORK PROPERLY (WITH NAVIGATION) ).
- Turn the ignition switch to ON (II).
- Turn on the audio-navigation unit and check for sound in each mode. (AM, FM, USB, and CD)
Is the sound normal?
YES -go to step 3.
NO -Go to audio system sound is weak or distorted (see AUDIO SYSTEM SOUND IS WEAK OR DISTORTED (DISPLAY IS NORMAL) ), or no sound is heard from the speaker(s) (see NO SOUND IS HEARD FROM THE SPEAKER(S) (DISPLAY IS NORMAL) (WITH NAVIGATION) ).
- Operate the volume knob to see if the volume changes.
Does the volume change?
YES -Operation is normal.
NO -
- With navigation: Replace the audio-navigation unit (see AUDIO-NAVIGATION UNIT REMOVAL/INSTALLATION ).
- Without navigation: Replace the audio unit (see AUDIO UNIT REMOVAL/INSTALLATION ).
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.