Cadillac, Chevrolet, & GMC Replacement Car Remote. GM Keyless entry replacement remote by Car Keys Express with pairingdevice included. Replaces vehicle manufacturer's original remote. This remote has 6 button functions including Lock, Unlock, Hatch, Hatch Glass, Remote Start, and Panic. The EZ Installer DIY pairing dongle allows you to pair your remote entirely on your own. Avoid the hassle and expense of having to go to the dealership for pairing. The EZ Installer is a single vehicle use pairing tool. Once you use it on your vehicle, it cannot be used on another.