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 ...

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 ...

Look in your pocket, purse, bag, or junk drawer, and chances are you’ll find a key fob. The basic ones lock and unlock your car’s doors. The fanciest do much more. But no matter which kind you have, ...

If the battery in the key to your 2018 Chevrolet Spark dies, you can change the battery yourself in a few simple steps. The following instructions explain how to safely change the battery in the Chevy ...

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 ...

While it's expensive to replace a lost car key fob, there are cheaper options. “The cost to replace the latest key fobs can cost as much as $400 or more depending on the brand. Then add another $20 to ...

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 ...

A: When it comes to vehicles, there are no truly watertight seals on every opening. Doors have drains that allow water that ...

Consumer Reports has no financial relationship with advertisers on this site. Consumer Reports has no financial relationship with advertisers on this site. The days of replacing a car key by having an ...

Look in your pocket, purse, bag, or junk drawer, and chances are you’ll find a key fob. The basic ones lock and unlock your car’s doors. The fanciest do much more. But no matter which kind you have, ...