Toyota
Dodge Durango
 Owners Manual
Starting and operating » Electronic brake control system
Hill Start Assist (HSA)

The HSA system is designed to mitigate roll back from a complete stop while on an incline. If the driver releases the brake while stopped on an incline, HSA will continue to hold the brake pressure for a short period. If the driver does not apply the throttle before this time expires, the system will release brake pressure and the vehicle will roll down the hill as normal.

The following conditions must be met in order for HSAto activate:

  •  The feature must be enabled.
  •  The vehicle must be stopped.
  •  Park brake must be off.
  •  Driver door must be closed.
  •  The vehicle must be on a sufficient grade.
  •  The gear selection must match vehicle uphill direction (i.e., vehicle facing uphill is in forward gear; vehicle backing uphill is in REVERSE gear).
  •  HSA will work in REVERSE gear and all forward gears. The system will not activate if the transmission is in PARK or NEUTRAL. For vehicles equipped with a manual transmission, if the clutch is pressed, HSA will remain active.
WARNING! There may be situations where the Hill Start Assist (HSA) will not activate and slight rolling may occur, such as on minor hills or with a loaded vehicle, or while pulling a trailer. HSA is not a substitute for active driving involvement. It is always the driver's responsibility to be attentive to distance to other vehicles, people, and objects, and most importantly brake operation to ensure safe operation of the vehicle under all road conditions. Your complete attention is always required while driving to maintain safe control of your vehicle. Failure to follow these warnings can result in a collision or serious personal injury.

Towing With HSA

HSA will also provide assistance to mitigate roll back while towing a trailer.

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 pressure 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 leaving your vehicle. Also, be certain to leave the transmission in PARK.
  • Failure to follow these warnings may cause the vehicle to roll down the incline and could collide with another vehicle, object or person, and cause serious or fatal injury. Always remember to use the parking brake while parking on a hill and that the driver is responsible for braking the vehicle.

Disabling And Enabling HSA

This feature can be turned on or turned off. To change the current setting, proceed as follows:

  •  For vehicles equipped with the Driver Information Display (DID), refer to "Driver Information Display (DID)" in "Understanding Your Instrument Panel" for further information.
  • If disabling HSA using Uconnect Settings, refer to "Uconnect Settings" in "Understanding Your Instrument Panel" for further information.

For vehicles not equipped with the DID, perform the following steps:

  1.  Center the steering wheel (front wheels pointing straight forward).
  2.  Shift the transmission into PARK.
  3.  Apply the parking brake.
  4.  Start the engine.
  5.  Rotate the steering wheel slightly more than one-half turn to the left.
  6.  Push the "ESC Off" button located in the lower switch bank below the climate control four times within twenty seconds. The "ESC Off Indicator Light" should turn on and turn off two times.
  7.  Rotate the steering wheel back to center and then an additional slighty more than one-half turn to the right.
  8.  Turn the ignition switch to the OFF position and then back to the ON position. If the sequence was completed properly, the "ESC Off Indicator Light" will blink several times to confirm HSA is disabled.
  9.  Repeat these steps if you want to return this feature to its previous setting.
    More about «Electronic brake control system»:

    Electronic Brake Force Distribution (EBD)

    Brake System Warning Light

    Anti-Lock Brake System (ABS)

    Anti-Lock Brake Warning Light

    Brake Assist System (BAS)

    Hill Start Assist (HSA)

    Traction Control System (TCS)

    Electronic Stability Control (ESC)

    Electronic Roll Mitigation (ERM)

    Trailer Sway Control (TSC) - If Equipped

    Ready Alert Braking (RAB)

    Rain Brake Support (RBS)

    Dynamic Steering Torque (DST)

    Dodge Durango Owners Manual / Starting and operating / Electronic brake control system / Hill Start Assist (HSA)

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