Jeep Wrangler: Blind Spot Monitoring (BSM) — If Equipped / Entering From The Side
Vehicles that move into your adjacent lanes
from either side of the vehicle.

Side Monitoring
The BSM system uses two radar sensors,
located inside the taillights, to detect highway
licensable vehicles (automobiles, trucks,
motorcycles, etc.) that enter the blind spot
zones from the rear/front/side of the vehicle...
Vehicles that come up from behind your vehicle
on either side and enter the rear detection zone
with a relative speed of less than 30 mph
(48 km/h)...
Other information:
Use the following procedure to prepare your
vehicle for normal usage.
Bring the vehicle to a complete stop,
leaving it connected to the tow vehicle.
Firmly apply the parking brake.
Start the engine.
Press and hold the brake pedal.
Shift the transmission into NEUTRAL...
If the engine fails to start after you have
followed the “Normal Starting” or “Extreme Cold
Weather” procedure, it may be flooded. Push
the accelerator pedal all the way to the floor and
hold it there. Crank the engine for no more than
15 seconds...