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Home > Driving your vehicle > Highway Driving Assist (HDA) > System operation

System operation

System display and control

Operating
Temporarily cancelled
  • Highway Driving Assist indicator

    • Green「」: Operating state

    • White 「」: Standby state

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

  2. Set speed is displayed.

  3. Lane Following Assist indicator displayed.

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

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

  • When temporarily cancelled:「」 indicator is displayed.

For more details on the display refer to More Details and More Details.

System operating

When entering or driving on the main roads of highways (or motorways), and satisfy all the following conditions for the system to operate.

  • Lane Following Assist is operating

  • Smart Cruise Control is operating

Notice
  • When Smart Cruise Control is operating whilst driving on the main roads of highways (or motorways), 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 system 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

The hands-off warning appears when the system detects that the driver's hands are not on the steering wheel whilst HDA is in work.

  • First warning: warning message

  • Second warning: warning message with warning sound

If the driver still does not have their hands on the steering wheel after the hands-off warning, the 'Highway Driving Assist (HDA) cancelled' (or 'HDA (Highway Driving Assist) cancelled') warning message will appear and Highway Driving will be automatically cancelled.

System standby

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