Once upon a time, a long, long time ago, you needed to put an actual key into a car's door lock to get in. Today, the doors of most modern cars are unlocked by pressing a button on the key. In some ...

Push-button start may be common today, but it wasn't always the dominant way to crank an engine. Push-button start systems and ignition key systems activate the same process in different ways. Do you ...

Cars have so many different buttons and knobs all over them sometimes it's hard to remember what every button does. One that sometimes gets lost in the mix but is actually quite useful is that small ...

All products featured here are independently selected by our editors and writers. If you buy something through links on our site, Gizmodo may earn an affiliate commission. Reading time 5 minutes ...

Opening the doors of modern keyless cars is simple when it works, but it becomes a challenge when your key remote's batteries are dead. So, how do you get into your car without a charged key? The ...

Apple has quietly turned the iPhone into a car key, but the feature is buried behind jargon, scattered settings, and automaker fine print. At its core, the system lets you lock, unlock, and start ...