Download 2010 Lexus RX 350 Remote Engine Start (RES) Service Manual – The REMOTE ENGINE STARTER allows you to start your engine from outside the vehicle. It utilizes your vehicle’s keyless entry remote, so there is no need to carry around an extra remote. The REMOTE ENGINE STARTER is operated the same way for vehicles equipped with or without the Smart Entry / Push Start system; simply push the remote’s LOCK button in a quick, two-step sequence. In addition, the REMOTE ENGINE STARTER can activate the heater or air conditioner according to your preset temperature controls, providing you with a comfortable cabin upon entry. As an added convenience, the REMOTE ENGINE STARTER can also activate the defroster (when preset) to clear up the windshield during cold weather. To ensure your safety,and the safety of anyone near the vehicle, the REMOTE ENGINE STARTER is designed to shutthe engine off when it detects any attempt to enter or move the vehicle after a remote engine start.