Jeep 2011 Grand Cherokee - Owner Manual - Manual (Page 114)

Lift the cover to reveal the mirror. The light will turn on
automatically.
Sun Visor Extension — If Equipped
This feature has a pull out extension on the sun visor for
increased coverage.
BLIND SPOT MONITORING — IF EQUIPPED
The Blind Spot Monitoring (BSM) system uses two radar-
based sensors, located inside the rear bumper fascia, to
detect highway licensable vehicles (automobiles, trucks,
motorcycles, etc.) that enter the blind spot zones from the
rear/front/side of the vehicle.
Illuminated Vanity Mirror
Rear Detection Zones
112 UNDERSTANDING THE FEATURES OF YOUR VEHICLE