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SAFETY 223
Towing With HSA
HSA will also provide assistance to mitigate roll back while
towing a
trailer.
Traction Control System (TCS)
This system monitors the amount of wheel spin of each of the
driven
wheels. If wheel spin is detected, the TCS may apply
brake pressure to the spinning wheel(s) and/or reduce engine
power to provide enhanced acceleration and stability. A
feature of the TCS, Brake Limited Differential (BLD), functions
similar to a limited slip differential and controls the wheel spin
across a driven axle. If one wheel on a driven axle is spinning
faster than the other, the system will apply the brake of the
spinning wheel. This will allow more engine torque to be
applied to the wheel that is not spinning. BLD may remain
enabled even if TCS and ESC are in a reduced mode.
Electronic Stability Control (ESC)
This system enhances directional control and stability of the
vehicle
under various driving conditions. ESC corrects for
oversteering or understeering of the vehicle by applying the
brake of the appropriate wheel(s) to assist in counteracting
the oversteer or understeer condition. Engine power may
also be reduced to help the vehicle maintain the desired path.
ESC uses sensors in the vehicle to determine the vehicle path
intende
d by the driver and compares it to the actual path of the
vehicle. When the actual path does not match the intended
path, ESC applies the brake of the appropriate wheel to assist
in counteracting the oversteer or understeer condition.
• Oversteer — when the vehicle is turning more than appro-
priate
for the steering wheel position.
• U
ndersteer — when the vehicle is turning less than appro-
priate
for the steering wheel position.
WARNING!
• If you use a trailer brake controller with your trailer, the
traile
r 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 activate 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 transmission in PARK.
• Failure to follow these warnings can result in a colli-
sion or
serious personal injury.
4
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