Fangrui Product Details Applicable Cars:for Chevrolet: Equinox (2019-2021), Malibu (2019-2021), Cruze (2019-2021),onix(2020-2021),blazer(2020),trax(2019) For Cadillac: Xt4 (2018-2021), Xt5 (2019-2021), Xt6 (2018-2021), Xts (2013-2018), Ct6 (2019-2021) Installation Location:the Specific Installation Position Of The Product Is After Turning On The Engine, And The Position Of The Hood Lock Is A Little Bit Inward, It Is Under The Front Of The Hood Lock.on The Inside Of The Hood Lock. Its Easy To Find When The Engine Is Turned Off, Open The Hood And Find The Plug That Looks Like The Product In The Wiring Harness In The Front Of The Engine Compartment, Unplug It, Connect The Product, Cover The Hood, Drive And Test, Step On The Brakes And Do Not Turn Off, Indicating That The Installation Is Successful. Just Connect This Product To Achieve Permanent Shutdown Auto Start-stop, And It Will Have No Effect On Your Car And No Error Code,does Not Affect Remote Start, Please Confirm The Production Year Of Your Car Before Buying, So As Not To B