Hyundai Sonata: Lane keeping Assist System (LKAS) / LKAS operation

To activate/deactivate the LKAS:

With the ignition switch in the ON position, press the LKAS button located on the instrument panel on the lower left hand side of the driver.

he indicator in the cluster display will initially illuminate white.

When the indicator(white) activated in the previous ignition cycle, the system turns on without any control.

If you press the LKAS button again, the indicator on the cluster display will go off.

The color of indicator will change depend on the condition of LKAS.

- White : Sensor does not detect the lane marker or vehicle speed is less than 40 mph (64 km/h).
- Green : Sensor detects the lane marker and system is able to control the steering.

LKAS activation

• To see the LKAS screen on the LCD display in the cluster, Tab to the ASSIST mode (). For more details, refer to "LCD Display" in chapter 3.
• After LKAS is activated, if both lane markers are detected, vehicle speed is over 40 mph (64 km/h) and all the activation conditions are satisfied, a green steering wheel indicator will illuminate and the steering wheel will be controlled.

WARNING

The Lane Keeping Assist System is a system to help prevent the driver from leaving the lane. However, the driver should not solely rely on the system but always check the road conditions when driving.

If the speed of the vehicle is over 40 mph (64 km/h) and the system detects lane markers, the color changes from gray to white.

If the speed of the vehicle is over 40 mph (64 km/h) and the system detects lane markers, the color changes from gray to white.

When the conditions below are met, LKAS will be enable to assist steering.

• Vehicle speed is above 40mph (64 km/h).
• Both lane markers are detected by LKAS.
• The vehicle is between the lane markers.

If LKAS can assist steering, a green steering wheel indicator will illuminate.

If the vehicle moves out its lane because steering torque for assistance is not enough, the line indicator of deviation direction will blink.

Keep hands on steering wheel

If the driver takes hands off the steering wheel for several seconds while the LKAS is activated, the system will warn the driver.

WARNING

• The warning message may appear late according to road conditions. Therefore, always have your hands on the steering wheel while driving.
• If you hold the steering wheel lightly, the system would generate hands off warning because LKAS can treat the situation as you do not grab the wheel.

Driver's grasp not detected. LKAS will be disabled temporarily

If the driver still does not have their hands on the steering wheel after several seconds, the system will not control the steering wheel and warn the driver only when the driver crosses the lane markers.

However, if the driver has their hands on the steering wheel again, the system will start controlling the steering wheel.