See also:

XMTM satellite radio reception tips for antenna on the windshield (for U.S.A. only — if equipped)
For some models, the satellite radio antenna is fixed to the upper right hand corner of the windshield. The XMTM satellite radio receiver that is fitted to your vehicle receives the necessary signa ...

Precautions against vehicle modification
WARNING To avoid accidental activation of the system or rendering the system inoperative, which may result in serious injury, no modifications should be made to any components or wiring of the SR ...

Compass zone adjustment
Compass calibration zones 1. The zone setting is factory preset to Zone 8. Refer to the “Compass calibration zones” map shown above to verify that the compass zone setting is correct for your geograp ...