We sold & installed a Compustar RF-P2W901-SS in a GMC Denali 2010. The Compustar Pro Series offers a 2 year warranty & 201 Motoring provides a lifetime warranty on the installation. The Compustar RF-P2W901-SS is the premier security/remote starter from Compustar. Two Way Responder unit display & detail functions off the remote; customers have a very easy usage on communication off the system. The system provides one mile range on the communication to the vehicle. And offers a dual stage shock sensor & tilt sensor. In addition, the unit provides neutral safety feature for manual transmission vehicles.