Hyundai Elantra: Highway Driving Assist (HDA) / Function operation

Basic function

System display and control

You can see the status of the Highway Driving Assist operation in the Driving Assist mode on the cluster. Refer to “LCD Display Modes” section in chapter 4.

Highway Driving Assist will be displayed as below depending on the status of the system.

(1) Highway Driving Assist indicator, whether there is a vehicle ahead and the selected distance level are displayed.

* Highway Driving Assist indicator

-- Green HDA: Operating state -- White HDA: Standby state

(2) Set speed is displayed.

(3) Lane Following Assist indicator displayed.

(4) Whether there is a vehicle ahead and the selected vehicle distance are displayed.

(5) Whether the lane is detected or not is displayed.

Function operating

Highway Driving Assist will operate when entering or driving on the main road of highways (or motorways), and satisfying all the following conditions:

-- Lane Following Assist is operating
-- Smart Cruise Control is operating

Information

• While driving on the highway (or motorway), if Smart Cruise Control starts operating, Highway Driving Assist will operate.
• When entering the main roads of highways (or motorways), Highway Driving Assist will not turn on if the Lane Following Assist is turned off even when Smart Cruise Control is operating.

• Restarting after stopping

When Highway Driving Assist is operating, your vehicle will stop if the vehicle ahead of you stops. Also, if the vehicle ahead of you starts moving within 30 seconds after the stop, your vehicle will start as well. In addition, after the vehicle has stopped and 30 seconds have passed, the ‘Use switch or pedal to accelerate’ message will appear on the cluster. Depress the accelerator pedal or push the + switch, - switch or switch to start driving.

• Hands-off warning

If the driver takes their hands off the steering wheel for several seconds, the ‘Place hands on the steering wheel’ warning message will appear and an audible warning will sound in stages.

First stage : Warning message

Second stage : Warning message (red steering wheel) and audible warning

If the driver still does not have their hands on the steering wheel after the hands-off warning, the ‘Highway Driving Assist (HDA) system canceled’ warning message will appear and Highway Driving Assist and Lane Change Assist will be automatically canceled.

Function standby

When Smart Cruise Control is temporarily canceled while Highway Driving Assist is operating, Highway Driving Assist will be in the standby state. At this time, Lane Following Assist will operate normally.