If you've ever wondered what the circle arrow button on your key fob is for but were too embarrassed to ask your mechanic or ...

Don't panic if your key fob dies and you don't have a replacement battery. These little-known methods will get you back on ...

Bringing your car ... to start hacking their ride’s wiring to do it. Which is exactly why [Matt Frost] went the non-invasive route. By wiring up an ESP8266 to a cheap aftermarket key fob for ...