Hyundai Equus: Hill-start assist control (HAC)
Second generation VI (2009–2026) / Hyundai Equus 2009-2026 Owners Manual / Driving your vehicle / Brake system / Hill-start assist control (HAC)
A vehicle has the tendency to roll back on a steep hill when the driver begins to accelerate after a stop. The Hill-start Assist Control (HAC) prevents the vehicle from rolling back by operating the brakes automatically for about 2 seconds. The brakes are released when the accelerator pedal is depressed or after about 2 seconds.
WARNING
The HAC is activated only for about 2 seconds, so always depress the accelerator pedal to begin accelerating after a stop.
✽ NOTICE
- The HAC does not operate when the transmission shift lever is in the P (Park) or N (Neutral) position.
- The HAC activates even though the ESC is off but it does not activate when the ESC has malfunctioned.
Electronic stability control (ESC)
The Electronic Stability control (ESC) system is designed to stabilize the vehicle
during cornering maneuvers. ESC checks where you are steering and where the vehicle
is actually going. ESC ap ...
Good braking practices
WARNING
Whenever leaving vehicle or parking, always set the parking brake as
far as possible and fully engage the vehicle's transmission into the park position.
Vehicles not fully engage ...
See also:
Repair procedures
Service Adjustment Procedure
Steering Wheel Play Inspection
1.
Turn the steering wheel so that the front wheels can face straight ahead.
2.
Measure the distance that the steering wheel can be ...
Manifold Absolute Pressure Sensor (MAPS) Repair procedures
Inspection
1.
Connect the GDS on the Data Link Connector (DLC).
2.
Measure the output voltage of the MAPS at idle and IG ON.
Specification: Refer to "Specification"
Removal
1.
Tur ...
Photo Sensor Description and Operation
Description
The photo sensor is located at the wind shield glass.
The photo sensor contains a photovoltaic (sensitive to
sunlight) diode. The solar radiation received by its light receiving
p ...
Categories
Hyundai Equus Manuals
