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 ...

[Fileark] has instructions for reprogramming keyless entry devices for your car. His demonstration video, which you can see after the break, shows how to make one key fob work for two different ...

A key fob that has stopped unlocking your car almost always has a flat coin cell battery inside it, a fix that costs as little as £2 to £5 (about $3 to $7) and takes two minutes. If a fresh battery ...