EFORCAR Car Seat Heating Pad, 12V Seat Heated Cushion Car Seat Heater Heated Cover Premium Soft Warmer Pad for Winter/Cold Weather SECURE STRAPS: EFORCAR heated seat pad has black elastic straps that slide over almost any seat to securely hold the cushion in place.Also has additional straps on the bottom of the cushion and the included hooks can secure the cushion to the underside of your seat,more safety. PLUG IN -EFORCAR seat cushion gets warm in 2~3 mins when you connect it to your car's 12 volt DC outlet and flip the switch to select High heat,after 5 mins will constant temperature (select lo).Once your car is running and your EFORCAR heated seat cushion is turned on, your seat will begin to warm. TEMPERATURE CONTROL:Our EFORCAR Car Seat Heated Cushion has its own temperature controller.Consist of Hi, Lo, and Off positions,our EFORCAR Seat Warmer has 3 modes to controls.Plug in and click Hi and it heats up immediately within minutes.Then you can adjust the suitable temperture you like. MASSAGE:When power on,our Car Seat Heating Pad provides warmth and comfort,perfect for cold weather and winter driving.Warms your back and bottom that helps to maintain your metabolism and blood circulation.Not only can enjoy soothing heat in the comfort of your vehicle,but snoothing for your tired and sore muscles,like enjoy a massage. PRECAUTIONS:It's forbidden to put the heating pad in your car seat cover inside or put another warm pad (like blanket,not dissipate heat) on the heating pad.Kindly remind to customer,you must seat on the heating pad,1 min later will feel heat,the effect is not obvious by hand test.