Car door won't unlock with key
1. Water froze in the door lock cylinder (at ambient temperature below 0°C). Treat locks with penetrating lubricant (see «Lubrication of hinges and locks»).
2. The door lock cylinder is dirty. Blow out with compressed air and lubricate the door lock. If necessary, replace the defective part (see «Door lock - removal, installation and adjustment»).
3. Faulty door lock. Replace defective part (see «Door lock - removal, installation and adjustment», «Luggage compartment lock - removal and installation»).
Doors do not stay closed
Jamming of moving parts of door locks due to dirt or lack of lubrication. Lubricate locks and body hinges (see «Lubrication of hinges and locks»).
Hood latch won't unlock
1. Broken hood lock drive link. Replace defective part.
2. Faulty hood latch. Replace defective part.
Luggage lock won't open
Faulty luggage compartment lock. Replace defective part (see «Luggage compartment lock - removal and installation»).