What If your BMW's smart sensor key suddenly fail?

There is a button battery inside the car key with remote control, the battery capacity and thickness of different keys are different.

With the development of technology, car keys are constantly changing. The editor compiled the keys of various models for the readers, so as to review the development history of car keys, for example Chrysler,Ford,Chevrolet Corvette ,etc.

The development of technology has brought a lot of convenience to our lives, and the car key is one of them. From mechanical keys to remote keys to smart keys, car keys carry more and more versatility and are more convenient to use, but if it suddenly runs out of electricity, especially when you nee......

For car keys, opening and locking doors is a basic operation.

Although the car key is small, it is necessary for driving. If there is no electricity, it will also cause minor troubles. What should I do at this time?