Forward Collision Avoidance Related Problems of the 2021 Hyundai Elantra

Table 1 shows three common forward collision avoidance related problems of the 2021 Hyundai Elantra. The number one most common problem is related to the warnings (18 problems). The second most common problem is related to the adaptive cruise control (twelve problems).

Table 1. Forward Collision Avoidance related problems of Hyundai Elantra


Recently reported Forward Collision Avoidance problems of the 2021 Hyundai Elantra

The Warnings problem

Forward sensors in vehicle have been failing while driving rain or snow since 2021; would go way on its own. Most recent failure has occurred with no debris or obstruction to sensor on a clear and sunny day.   Read details...

The Adaptive Cruise Control problem

Radar equipped to front of vehicle has malfunctioned, disabling all forward safety systems and adaptive cruise control. Without this equipment functioning, cruise control is completely disabled and the vehicle will not automatically brake or provide forward warnings.   Read details...

The Automatic Emergency Braking problem

Rear backup camera suddenly stopped working and when in reverse the sensors kick in and breaks the vehicle when there's no object or vehicle behind. Also the code for the backup sensor came up but dealer didn't do anything.   Read details...


Forward Collision Avoidance related problems in other Hyundai Elantra model year vehicles:



Elantra Service Bulletins
Elantra Safety Recalls
Elantra Defect Investigations