Urgency: Low
Door Ajar Warning Light
This is usually informational. Address it at your convenience.
What the Door Ajar Warning Light Means
The door-ajar light on a your car indicates a door (or the boot/bonnet) is not fully latched. It is a safety and security warning, and a stubborn one usually means a door switch or latch sensor has failed.
Common Causes
- A door not fully closed
- Faulty door latch switch (jamb switch)
- Boot or bonnet sensor fault
- Corroded or broken wiring in the door
- Frozen latch in winter
How to Fix It
- Open and firmly re-close each door, boot and bonnet
- Identify which opening the cluster reports as open
- Inspect and clean the suspect latch switch
- Lubricate or replace a sticky latch
- Repair door wiring if the fault is intermittent