Lane Departure Warning Malfunction
Hyundai Vehicle
Severity: MinorWhat it means
Lane Departure Warning Malfunction means the front camera cannot detect lane markings.
This usually happens when the windshield is dirty, in heavy rain/snow, or when road markings are faded.
Clean the windshield and the camera area near the rearview mirror.
Affected Models
- Hyundai Tucson
- Hyundai Santa Fe
- Hyundai Elantra
- Hyundai Sonata
- Hyundai Kona
- Hyundai Palisade
Common Causes
- Dirty windshield blocking the camera
- Heavy rain, snow, or fog reducing visibility
- Faded or missing lane markings on the road
- Sun glare directly into the camera
- Camera misaligned after windshield replacement
How to Fix It
-
Clean the windshield, especially around the rearview mirror camera.
The LDW camera is behind the rearview mirror.
Dirt, bugs, or ice on the windshield block it. -
Wait for weather to improve.
In heavy rain, snow, or fog, the camera cannot see lane markings.
The system re-enables automatically when conditions improve. -
If the warning persists in good conditions: recalibrate the camera.
After a windshield replacement, the camera may need recalibration at a Hyundai dealer.
-
Check for software updates at your dealer.
Some LDW malfunction issues are fixed by software updates.
Frequently Asked Questions
Can I drive with LDW malfunction?
Yes, safely.
Lane departure warning is an assist feature, not a critical system.
Your brakes, steering, and engine are unaffected.
Does windshield replacement affect LDW?
Yes.
The camera behind the mirror must be recalibrated after windshield replacement.
This is a dealer service that costs $100-$300.