See also:

Battery Replacement
To change the batteries: 1. Loosen the screw to the battery door located on the left side of the headphones. 2. Slide the battery door open. 3. Replace the two AAA batteries. 4. Replace the bat ...

Speaker Covers
Vacuum around a speaker cover gently, so that the speaker will not be damaged. Clean spots with just water and mild soap. ...

If the System Needs Service
If the navigation system needs service and the steps listed here have been followed but there are still problems, see your dealer for assistance. ...