One of the most frustrating aspects of modern motoring is when you are dealing with a mischievous or malfunctioning car key fob, as it is not always the battery that is at fault.
Sometimes a wayward key fob can be readily repaired, but in other cases you need to take it to the professionals to get it replaced.
How can you tell the problem with your key fob necessitates a replacement? Here are some of the telltale signs that the problem with your key extends beyond an issue with the battery or interference around your car.
Your Car Key Works Sporadically
The first sign of trouble that car owners see is when they press the button to open the car doors, but it does not register properly. It takes a second attempt, or a third, or a frantic mashing of the buttons to finally get the door to open and the alarm to switch off.
If you are dealing with problems with the buttons, the keyless entry does not work, or you need to stand really close to the car in order for it to open, it could be a case that the electronics have worn out.
Replacing The Car Key Battery Does Not Help
The first step to take if you are dealing with a faulty car key is to replace the battery. This will generally help to increase the range, improve the reliability and ensure you do not have signal issues.
If this does not work, it means that there is something significantly wrong with your car key and you need to take it to a professional as soon as possible.
If it does help, but needs to be replaced every few months, it could also be a sign of a significant issue.
Your Car Does Not Recognise Its Own Key
To stop cloning, most modern car keys have a transponder chip that talks to the immobiliser and lets you start the car.
If you are getting an array of warning lights, messages that it has not been detected or intermittent issues whilst driving where the immobiliser kicks in or stops you from restarting the car, you may have a broken key fob that needs replacing by a professional.