You may know the signs of a key fob with a bad battery: having to press the button multiple times or getting close to the car for activation to kick in. Sometimes the functions engage, and at other ...

Replacing the battery in a Toyota Corolla key doesn't require re-programming. You simply use a good quality flat-head screwdriver to carefully pry the two halves of the key apart. Once you have them ...

Like anything powered by a battery, a car key fob can die—often at the worst time. Here’s how to change the battery in your key fob quickly and safely. Check your battery type. Most fobs use small ...

DEAR CAR TALK: I have a 2012 Toyota RAV4 with keyless entry and keyless ignition. If the battery in the key fob dies, and I’m not at home where I can grab the spare key, how do I start the car? – Rich ...

Push in the button on the side of your Smart Key, and pull the tab holding in your emergency (manual) key. This allows you to unlock the car if your Smart Key's battery is flat. Once you remove the ...