See also:

Battery Replacement
To change the batteries, do the following: 1. Loosen the screw on the battery compartment door located on the left side of the headphone earpiece. 2. Replace the two AAA batteries in the compar ...

Language
Press the customization button until LANGUAGE: ENGLISH appears in the display. To select your preference for display language, press the select button while LANGUAGE: ENGLISH is displayed on the ...

Vehicle and Power Issues
OnStar services require a vehicle electrical system, wireless service, and GPS satellite technologies to be available and operating for features to function properly. These systems may not o ...