We really are living in the future when your car just magically knows you're there without you having to do anything. The jingling of keys used to be the universal symptom of turning a car on, but ...

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 of most modern cars are unlocked by pressing a button on the key. In some ...

Check your battery type. Most fobs use small coin batteries (like CR2032), so confirm before you buy. Pry it open with care. Find the seam, pop it gently—no need to wrestle with it. Replace and click ...

If your 2005-2012 Lexus GS’ key fob decided to stop working suddenly, the problem can be its battery that got depleted. Replacing it is very simple and you only need a thin screwdriver and the ...

One of the most annoying first world problems for your Mercedes-Benz (or any other modern car with an electronic key fob) is when the remote battery has died. Since it's not exactly the type of ...

Keyless fobs might offer convenience to car owners by locking and unlocking and doors and starting the engine at the push of a button, but when the battery inside them dies it can leave drivers ...

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 ...

The days of replacing a car key by having an inexpensive blank copied and cut at a hardware store are pretty much over. Most new cars today come either with a push-button start system or keyless entry ...

How Does Your Key Fob Work? The key fob uses wireless technology with a frequency of 433 MHz. There are receivers/transmitters on the vehicle and the key, so they can communicate with each other. This ...

Today’s new cars pack in more high-tech electronic features than ever before, and that includes in the key fob. The device has gone far beyond simply locking or unlocking doors, starting a car ...

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 ...