Unable to Connect to OnStar Message
If there is limited cellular coverage
or the cellular network has reached
maximum capacity, this message
may come on. Push 
to try the
call again or try again after driving a
few miles into another cellular area.
See also:
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Vehicle Load Limits
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Battery Replacement
To change the batteries on the headphones:
1. Turn the screw to loosen the battery door located on the left side of the
headphones. Slide the battery door open.
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