Hyundai Tucson: Highway Driving Assist (HDA) / Highway Driving Assist Malfunction and Limitations

Highway Driving Assist malfunction

When Highway Driving Assist is not working properly, the "Check Highway Driving Assist (HDA) system" warning message may appear, and the warning light may illuminate on the instrument cluster. Have the vehicle inspected by an authorized HYUNDAI dealer.


Always check road conditions, and if necessary, take appropriate actions to drive safely. Highway Driving Assist is a supplemental function only and it is not a self driving or autonomous driving system.

To prevent serious injury or death:

Limitations of Highway Driving Assist

Highway Driving Assist may not operate normally or may not operate if:


For more information on the limitations of the front view camera and front radar, refer to the "Forward Collision-Avoidance Assist (FCA)" section in this chapter.

Highway Driving Assist Operation
Highway Driving Assist display The status of the Highway Driving Assist operation appears in Driving Assist mode on the instrument cluster. Refer to the "View Modes" section in Chapter 4. 1 ...

Rear View Monitor (RVM)
Rear View Monitor uses the wide-rear view camera to display the area behind your vehicle to assist you when parking or backing up. Information Refer to the "Driver Assistance Sensors" sectio ...

Other information:

Hyundai Tucson (LM) 2010-2015 Owners Manual: Owner maintenance schedule
When you stop for fuel: Check the engine oil level. Check coolant level in the engine coolant reservoir. Check the windshield washer fluid level. Check for low or under-inflated tires WARNING Be careful when checking your engine coolant level when the engine is hot. This may result i ...

Hyundai Tucson (LM) 2010-2015 Service Manual: Filler-Neck Assembly Repair procedures
Removal 1. Remove the rear-LH wheel, tire, and the inner wheel house. 2. Disconnect the fuel filler hose (A) and the ventilation hose (B). 3. Open the fuel filler door and unfasten the filler-neck assembly mounting screw (A). 4. Remove the filler-neck assembly from the vehicle after ...

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