Driving Your Vehicle

LKAS Malfunction

~1min read

Check LKAS

LKAS Malfunction Indicator

The LKAS malfunction indicator (yellow) will illuminate if LKAS is not operating properly. Have your vehicle checked by an authorized HYUNDAI dealer.

WARNING

  • The driver is responsible for accurate steering.
  • Turn off the system and drive the vehicle in the following situations.
    - In bad weather
    - On bad road conditions
    - When the driver has to steer frequently.
  • The steering wheel may feel heavier when the system is operating than when it is not.

The system will be cancelled when:

  • When changing lanes, use the turn signal.
    - Use the turn signal when changing lanes.
    - If you change lanes without the turn signal on, the steering wheel may be controlled unexpectedly.
  • LKAS may switch to steering assist mode when the vehicle approaches the center of the lane after the system is turned on or after a lane change. LKAS cannot provide steering assistance if the vehicle is following the lane markings too closely before the steering assist mode is activated.
  • ESC (Electronic Stability Control) or VSM (Vehicle Stability Management) control is activated.
  • Steering assistance will not be provided when driving quickly through a sharp curve.
  • Steering assistance will not operate when the vehicle speed is below 40 mph (64 km/h) or above 110 mph (177 km/h).
  • Steering assistance will not be provided during rapid lane changes.
  • Steering assistance will not be provided during sudden braking.
  • Steering assistance will not be provided if the lane is very wide or very narrow.
  • Steering assistance will not be provided if only one lane marker on the side is detected.
  • There are more than two lane markers, such as at a construction zone.
  • The radius of the curve is too small.
  • When the steering wheel is turned sharply, LKAS is temporarily deactivated.
  • Driving on a steep slope or hill.

Test yourself

A quick Hyundai Sonata LF quiz: every answer comes with an explanation and a link to the manual page.