Crimestopper RS4-G3 Remote Start System with Keyless Entry and Trunk Pop 2-Vehicle Operation Programmable Engine Sensing Modes: Tachometer Sense (Rpm), Tachless (Voltage) Or Hybrid Mode Turbo Timer Mode With Hand Brake Activation On-Board Relays For Remote Start and Parking Light Flash Gas Or Diesel Engine Operation Keyless entry and trunk pop are included with this system as well as auto locking with ignition Gas or diesel engine operation OEM alarm arm and disarm outputs; all keyless entry functions will operate from the factory key fob Turbo timer mode with hand brake activation Programmable engine sensing modes: tachometer sense (rpm), tachless (voltage) or hybrid mode