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Navigation Cannot Control Audio/Disc
Navigation cannot control audio/disc1. Make sure the anti-theft code for the audio system is entered.
2. Go into the Diagnostic Menu and use the "Navi System Link" test.
Is the "Radio" icon red?
YES - Do the troubleshooting for Voice guidance cannot be heard.
NO - Go to step 3.
3. Substitute a known-good navigation unit, and recheck.
Can the navigation control audio/disc?
YES - Replace the original navigation unit.
NO - Do the audio system troubleshooting.