A code reader for your car can mean the difference between dropping everything and heading for the mechanic and letting that warning light ride a little bit.

When the battery is removed from the key fob, the fob can lose its ‘memory’ or programming. If the key fob is not working after replacing its battery, a reprogramming procedure may be required.

If you're looking to pick up a new key fob, or repair one, you might wonder how long programming it takes and whether or not you can do it yourself.

Normally, it's the wireless charging location, which can read the NFC digital key. Place your digital key on the reader. You will prompted to add a digital key to your car.

Android's digital car key allows you to create a virtual car key in Google Wallet.Vehicle support is limited, but will likely increase quickly.

If your iPhone and car are compatible, you should be prompted to add a key to the iOS Wallet app. There are three forms of key entry: passive, proximity, and remote. You can share a key with ...

The key fob is a notable chink in the modern car's less than optimal cybersecurity armor.