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SAFETY
291
Disabling And Enabling HSA
This feature can be turned on or turned off. To
change the current setting, refer to
for further information.
Towing With HSA
HSA will also provide assistance to mitigate roll
back while towing a trailer.
Rain Brake Support (RBS)
RBS may improve braking performance in wet
conditions. It will periodically apply a small
amount of brake pressure to remove any water
buildup on the front brake rotors. It functions
when the windshield wipers are in LO or HI
speed. When RBS is active, there is no
notification to the driver and no driver
interaction is required.
Ready Alert Braking (RAB)
RAB may reduce the time required to reach full
braking during emergency braking situations. It
anticipates when an emergency braking
situation may occur by monitoring how fast the
throttle is released by the driver. The Electronic
Brake Controller (EBC) will prepare the brake
system for a panic stop.
Selec-Speed Control (SSC) — If Equipped
SSC is intended for off-road driving in
4WD Low only. SSC maintains vehicle
speed by actively controlling engine
torque and brakes.
SSC has three states:
1. Off (feature is not enabled and will not
activate)
2. Enabled (feature is enabled and ready but
activation conditions are not met, or driver
is actively overriding with brake or throttle
application)
3. Active (feature is enabled and actively
controlling vehicle speed)
Enabling SSC
SSC is enabled by pushing the SSC switch, but
the following conditions must also be met to
enable SSC:
The driveline is in 4WD Low.
The vehicle speed is below 5 mph (8 km/h).
The parking brake is released.
The driver door is closed.
The driver is not applying throttle.
Activating SSC
Once SSC is enabled it will activate
automatically once the following conditions are
met:
The driver releases the throttle.
The driver releases the brake.
The transmission is in any selection other
than PARK.
Your vehicle speed is below 20 mph (32 km/h).
WARNING!
If you use a trailer brake controller with your
trailer, the trailer brakes may be activated
and deactivated with the brake switch. If
so, there may not be enough brake pres
-
sure to hold both the vehicle and the trailer
on a hill when the brake pedal is released.
In order to avoid rolling down an incline
while resuming acceleration, manually acti
-
vate the trailer brake or apply more vehicle
brake pressure prior to releasing the brake
pedal.
HSA is not a parking brake. Always apply
the parking brake fully when exiting your
vehicle. Also, be certain to place the trans
-
mission in PARK (P).
Failure to follow these warnings can result
in a collision or serious personal injury.
6
21_JL_OM_EN_USC_t.book Page 291
Содержание WRANGLER 2021
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