Hyundai i-30: Braking system / Hill-Start Assist Control (HAC)

Hyundai i30 (PD) 2018-2024 Owner's Manual / Driving your vehicle / Braking system / 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.

WARNING

Always be ready to depress the accelerator pedal when starting off on a incline. The HAC activates only for approximately 2 seconds.

Information

The HAC does not operate when the shift lever is in P (Park) or N (Neutral).
The HAC activates even when the ESC (Electronic Stability Control) is off. However, it does not activate, when the ESC does not operate normally.

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 tyres can suddenly become uneven...

Emergency Stop Signal (ESS)

The Emergency Stop Signal system alerts the driver behind by blinking the stop lights, whilst sharply and severely braking. The system is activated when: The vehicle suddenly stops...

Other information:

Hyundai i30 (PD) 2018-2024 Service Manual: Lift and Support Points

Lift and Support Points • When heavy rear components such as suspension, fuel tank, spare tire, tailgate and trunk lid are to be removed, place additional weight in the luggage area before hoisting...

Hyundai i30 (PD) 2018-2024 Service Manual: Troubleshooting

Troubleshooting Symptom Possible cause Remedy Hard steering Improper front wheel alignment Excessive turning resistance of lower arm ball joint Low tire pressure No power assist Correct Replace Adjust Repair and replace Poor return of steering wheel to center Improper front wheel alignment Correct Poor or rough ride Improper front wheel alignment Malfunctioning shock absorber Broken or worn stabilizer Broken or worn coil spring Worn lower arm bushing Correct Repair or replace Replace Replace Replace the lower arm assembly Abnormal tire wear Improper front wheel alignment Improper tire pressure Malfunctioning shock absorber Correct Adjust or replace Replace Wandering Improper front wheel alignment Poor turning resistance of lower arm ball joint Loose or worn lower arm bushing Correct Repair Retighten or replace Vehicle pulls to one side Improper front wheel alignment Excessive turning resistance of lower arm ball joint Broken or worn coil spring Bent lower arm Correct Replace Replace Repair Steering wheel shimmy Improper front wheel alignment Poor turning resistance of lower arm ball joint Broken or worn stabilizer Worn lower arm bushing Malfunctioning shock absorber Broken or worn coil spring Correct Replace Replace Replace Replace Replace Bottoming Broken or worn coil spring Malfunctioning shock absorber Replace Replace Wheel /tire noise, vibration and harshness concerns are directly related to vehicle speed and are not generally affected by acceleration, coasting or decelerating...