Hyundai Ioniq: Braking System / Vehicle Stability Management (VSM)
The Vehicle Stability Management (VSM) is a function of the Electronic Stability Control (ESC) system. It helps ensure the vehicle stays stable when accelerating or braking suddenly on wet, slippery and rough roads where traction over the four tires can suddenly become uneven.
WARNING
Take the following precautions when using the Vehicle Stability Management (VSM):
- ALWAYS check the speed and the distance to the vehicle ahead. The VSM is not a substitute for safe driving practices.
- Never drive too fast for the road conditions. The VSM system will not prevent accidents. Excessive speed in bad weather, slippery and uneven roads can result in severe accidents.
VSM operation
VSM ON condition
The VSM operates when:
- The Electronic Stability Control (ESC) is on.
- Vehicle speed is approximately above 9 mph (15 km/h) on curve roads.
- Vehicle speed is approximately above 12 mph (20 km/h) when the vehicle is braking on rough roads.
When operating
When you apply your brakes under conditions which may activate the ESC, you may hear sounds from the brakes, or feel a corresponding sensation in the brake pedal. This is normal and it means your VSM is active.
NOTICE
The VSM does not operate when:
- Driving on a banked road such as gradient or incline.
- Driving rearward.
- ESC OFF indicator light is on.
- EPS (Electric Power Steering) warning light ( ) is on or blinks.
WARNING
If ESC indicator light (
) or EPS
warning light (
) stays on or blinks,
your vehicle may have a malfunction with the VSM system. When the warning light
illuminates, have your vehicle checked by an authorized HYUNDAI dealer as soon as
possible.
Driving with wheels and tires with different sizes may cause the ESC system to malfunction. Before replacing tires, make sure all four tires and wheels are the same size. Never drive the vehicle with different sized tires and wheels installed.
ESC OFF usage
When Driving
The ESC OFF mode should only be used briefly to help free the vehicle if stuck
in snow or mud by temporarily stopping operation of the ESC to maintain wheel torque...
Hill-Start Assist Control (HAC)
The Hill-Start Assist Control (HAC) helps prevent the vehicle from rolling backwards
when starting a vehicle from a stop on a hill. The system operates the brakes automatically
for approximately 2 seconds and releases the brake after 2 seconds or when the accelerator
pedal is depressed...
Other information:
Hyundai Ioniq (AE) 2017-2025 Service Manual: Sub Battery Pack Assembly (Sub-BPA). Repair procedures
Check the target charging voltage when replacing with a new module Fault Code1.Turn OFF the ignition switch.2.Connect the diagnostic tool device to the self-diagnosis connector (DLC).3.Turn ON the ignition switch.4.Check the "Fault Code" in the diagnostic tool fault diagnosis...
Hyundai Ioniq (AE) 2017-2025 Owner's Manual: Liftgate
Opening the liftgate Make sure the shift lever is in P (Park). Then do one of the following: 1. Unlock all doors with the Door Unlock button on your smart key. Press the liftgate handle button and open the liftgate. 2. Press and hold the Liftgate Unlock button on the smart key...
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Rear Seats
Folding the rear seat
The rear seatbacks can be folded to facilitate carrying long items or to increase the luggage capacity of the vehicle.
WARNING
Never allow passengers to sit on top of the folded down seatback while the vehicle is moving. This is not a proper seating position and no seat belts are available for use. This could result in serious injury or death in case of an accident or sudden stop. Objects carried on the folded down seatback should not extend higher than the top of the front seatbacks. This could allow cargo to slide forward and cause injury or damage during sudden stops.