Why Can't the Car Door Be Opened with the Key?

[OMadison]

The reasons why the car key cannot open the door are as follows: 1. The remote key may be out of power: Remote keys use button batteries, which may not be available in convenience stores. If there are auto parts markets or 4S stores nearby, these places will definitely sell them. Car owners can buy more online for emergency use. 2. The remote key is interfered with by signals: Signal interference with the key is relatively rare. If the key battery is confirmed to have power, it can be judged as signal interference. 3. Failure of the connection device between the door handle and the door lock itself: This situation leading to the door not opening is a type of fault, and the possibility of the car owner solving it on their own is very small. The door connection mechanism may fall off due to driving bumps, and the door lock cannot sense the action of pulling the door handle. 4. The door is frozen and cannot be opened in winter: If the door lock, door handle, or door frame area is frozen in winter, the door cannot be opened with the key. Note that if the door is frozen, do not pull it violently, as this can easily damage the door.