Hyundai Elantra: 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.

NOTICE

Good Braking Practices
WARNING Whenever leaving the vehicle or parking, always come to a complete stop and continue to depress the brake pedal. Move the shift lever into the 1st gear (for manual transmission vehicle) o ...

Other information:

Hyundai Elantra AD (2016-2020) Service Manual: Repair procedures
Inspection ESC System Bleeding This procedure should be followed to ensure adequate bleeding of air and filling of the ESC unit, brake lines and master cylinder with brake fluid. 1. Remove the reservoir cap and fill the brake reservoir with brake fluid.     • If the ...

Hyundai Elantra AD (2016-2020) Owners Manual: Checking the tire inflation pressure
1. After driving approximately 7~10 km (4~6 miles or about 10 min), stop at a safety location. 2. Connect the filling hose (3) directly into the compressor 3. Connect the other end of the filling hose (3) directly into the valve. 4. Plug the compressor power cord into the vehicle power outl ...

© 2018-2026 www.helantraad.com