The behind-the-scenes mechanism that locks and unlocks your vehicle’s doors ... that have to receive the correct antitheft code from a key fob transmitter before they’ll send electrical ...

There are three main types of key lock boxes: combination ... you want to consider the reliability of its locking mechanism ...

With the best smart locks, you can adjust codes, add unique fingerprints for family and friends, and even create passes for service providers such as babysitters, pet sitters and nannies.