Navigation cannot control audio/CD Make sure the anti-theft code for the audio system is entered. Go into the Diagnostic Menu and use the ‘‘Navi System Link'' test. Is for ‘‘Radio'' icon red?
YES | - | Do the troubleshooting for the voice guidance cannot be heard. ■
NO | - | Go to Step 3 .
Substitute a known-good navigation unit, and recheck. Can the navigation control audio/CD?
YES | - | Replace the original navigation unit. ■
NO | - | Do the audio system troubleshooting.■