There are 1 owner-reported driver assist & adas complaints for the 2020 Land Rover Defenderin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
The contact owns a 2020 Land Rover Defender. The contact stated that the lane departure feature would intermittently fail to operate as needed without warning. The contact stated that the vehicle would independently deviate in the opposite direction as intended. The contact also stated that the lane deviation feature could be turned off; however, the feature was reactivated upon restart of the vehicle. The dealer had been made aware of the failure on multiple occasions and the contact was informed that there was no remedy for the failure. The manufacturer had yet to be notified of the failure. The vehicle had yet to be repaired. The failure mileage was approximately 5,000.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026