Driver Assistance Front Radar Sensor False Brake Warning Glitches
ModerateElectrics & ElectronicsThe front radar sensor mounted behind the lower front bumper can get obscured by winter road grime or heavy spray on UK motorways, temporarily disabling adaptive cruise control and triggering false collision warnings.
"Front Camera / Radar Blocked" warning on digital cluster, Pre-Collision Assist disabled in wet weather, Adaptive cruise disengages unexpectedly
- Check front bumper lower radar housing for stone chip damage or dirt accumulation
- Scan ADAS module for alignment DTCs