Web-programmable, standalone remote start solution for GM 'flip-key' models 2010 and 2021 Includes custom t-harness for 'plug & play' installation. A compatible range-extender kit is required and sold separately. Uses OEM FOB Downloadable Software Door Lock Priority Unlock Door Unlock Trunk/Hatch Release Arm OEM Alarm Disarm OEM Alarm Aftermarket Alarm Ctrl from OEM remotes Horn Ctrl (wire) Door Stat Output Trunk Stat Output Data Immobilizer Bypass Parking Light Ctrl Tachometer Output Brake Pedal Stat Output E-Brake Output RAP Shutdown Ctrl Data/MUX Keysense Ctrl Data/MUX Accessory Ctrl Data/MUX Ignition Ctrl Data/MUX Starter Ctrl 3XLOCK start w/ standalone module