The MaxiIM IKEY IKEYGM5TPR is a programmable 5-button GM-, Cadillac-style IKEY that can be used for locking, unlocking, remote starting, trunking, and panic purposes. The Autel MaxiIM KM100 can be used to program the IKEY. It also comes with a GM-, Cadillac-type Rescue Blade and meets or exceeds industry and regulatory standards. The IKEY is compatible with vehicle systems that use 315/415 MHz and 868/915 MHz frequencies and has a transmission range of up to 40 meters (130 feet). It requires a CR2032 battery (not included) and has a 1-year limited warranty.