Once upon a time, a long, long time ago, you needed to put an actual key into a car's door lock to get in. Today, the doors ...

It's hard to know when your key fob battery is low. Occasionally, folks find themselves locked out of their cars and ...

the first step was to disassemble the already broken key fob and separate out the PCB from the case and battery holder. With those removed, a coin cell was soldered to some wires connected to the PCB.

Many vehicles will also warn if the battery in the key is running low to avoid this situation, but we would suggest consulting your vehicle handbook for clarification. How long should a key fob ...

Firstly, if you notice that your car key fob is beginning to lose signal range and only works when standing less than 30 feet from your vehicle, this is an indication of low battery power.

The issue arises as temperatures drop, causing the chemical reactions inside the battery to slow down and reducing its capacity by up to 30 per cent. Consequently, a key fob with a battery already ...