Lane departure warning light: meaning and what to check first
Updated Editor reviewedBy CarFaultIQ Editorial Team
At a glance
Immediate warning-light answer
This light means the lane departure warning system (which alerts, but does not steer, when drifting out of a lane) is unavailable or has detected a fault.
This light means the lane departure warning system (which alerts, but does not steer, when drifting out of a lane) is unavailable or has detected a fault.
Possible system
Electrical
Urgency
Low (not yet verified)
Imported default, pending review
Can I drive?
Usually OK to drive short-term
No driving restriction — this only disables an alert feature, not vehicle control.
Evidence/confidence
Editor reviewed
Editorial review
If this light appears with brake, steering, airbag, overheating, oil pressure, fuel, smoke, or fire symptoms, treat it as safety-critical.
Short answer
This light means the lane departure warning system (which alerts, but does not steer, when drifting out of a lane) is unavailable or has detected a fault.
SeverityLowDrive?Usually OK to drive short-term
Key takeaways
This is an alert-only feature — losing it does not affect vehicle control, only the drift warning.
Can I still drive with this?
Usually OK to drive short-term
No driving restriction — this only disables an alert feature, not vehicle control.
SeverityLow
Low
Explore vehicle evidence related to this system
Choose your vehicle to see how often owner complaints and official records for it concern Driver-assistance systems, and in which model years.
This shows records about a system, not whether a particular car has this problem.
Lane departure warning light
This light means the lane departure warning system (which alerts, but does not steer, when drifting out of a lane) is unavailable or has detected a fault.
Common triggers
A forward camera obstructed, misaligned, or blocked by weather
Faded or absent lane markings the camera cannot read
A camera or control-module fault
What this light means
This light means the lane departure warning system (which alerts, but does not steer, when drifting out of a lane) is unavailable or has detected a fault.
Possible systems involved
Possible systems are not yet verified.
Common triggers
A forward camera obstructed, misaligned, or blocked by weather
Faded or absent lane markings the camera cannot read
A camera or control-module fault
Check this before driving
Clean the windshield area around the camera
Confirm the fault persists on a road with clear lane markings
Have it scanned if it persists under good conditions
Frequently asked questions
How is this different from lane keep assist?
This system only warns the driver of drift; it does not actively steer. Lane keep assist actively nudges the steering as well.
Honda recalled certain 2020-2024 Ridgeline vehicles because the rearview camera tailgate wire harness can fatigue and break with repeated tailgate use. A…
Guidance reflects standard, widely documented dashboard-telltale conventions (SAE/ISO pictogram meanings and common manufacturer usage), not a vehicle-specific claim.
When a specific model's owner manual disagrees, the manual governs.