GM adds a wallet-sized Key Card to lock, unlock, and start various vehicles. See the full list of models that offer this ...

I know what you think: why use a phone accessory to replace the car key when you can use the phone itself for the same thing? Digital car keys are slowly taking over, but it's not a secret that their ...

Digital car keys are still a concept suffering from lackluster adoption, mainly because the technology is expensive and phone makers only offer it on high-end mobile devices with a premium price tag.