See also:

Windshield wiper and washer switches
The wiper operates only when the ignition switch is in the “ON” position. ...

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 ...

If the light is blinking
If the light is blinking while driving, an engine misfire condition has been detected which may damage the emission control system. To prevent serious damage to the emission control system, you sho ...