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.

Depending on the age of your auto, you'll need to take it to the dealer or look online for aftermarket fobs.

Wrapping your car key fob in foil is an easy and inexpensive way to avoid the cyber threat, says Holly Hubert, a former FBI agent in New York.