Jeep grand cherokee 2015 Owner's Manual page 137

Rear Detection Zones
UNDERSTANDING THE FEATURES OF YOUR VEHICLE 135
When the vehicle is started, the BSM warning light will
momentarily illuminate in both outside rear view mirrors
to let the driver know that the system is operational. The
BSM system sensors operate when the vehicle is in any
forward gear or REVERSE and enters stand-by mode
when the vehicle is in PARK.
The BSM detection zone covers approximately one lane
width on both sides of the vehicle (12 ft or 3.8 m). The
zone length starts at the outside rear view mirror and
extends approximately 10 ft (3 m) beyond the rear
bumper of the vehicle. The BSM system monitors the
detection zones on both sides of the vehicle when the
vehicle speed reaches approximately 6 mph (10 km/h) or
higher and will alert the driver of vehicles in these areas.
NOTE:
• The BSM system does NOT alert the driver about
rapidly approaching vehicles that are outside the de-
tection zones.
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