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 s ...

ON
This is the normal operating position after the engine is started. ...

If the light illuminates constantly
If the light illuminates constantly while driving or does not turn off after the engine starts, an emission control system malfunction has been detected. You should have your vehicle checked by an ...