PLEASE CHECK YOUR MODEL CAREFULLY THE WRONG MODEL CANNOT BE INSTALLED SUCCESSFULLY. Several buyers were unable to install it properly because they bought the wrong model.Seriously compare THE SECOND PICTURE and THE FIRST PICTURE of Product Description. If you are still not sure which model is suitable for your vehicle style, please contact us at any time. Please take a photo of your original car sensor cover. and send it to us, and we will confirm it for you. Custom fit for GMC YukonMangoal 4k dash cam can fit perfectly behind the rear view mirror like original. No messy wiring exposed, no complicated rewire at all. Perfectly intergrated with GMC 5th Gen Yukon, Yukon XL 2021-2022 vehicle styles(Model B), Such as SLE SLT AT4 Denali Denali Ultimate. Please NoteYour car must have an Auto-Dimming Rearview Mirror Plug Power Adapter(10Pin square plug), otherwise, power can only be obtained through OBD or Fuse box. Parking monitor must have OBD Power Adapter or Fuse Box Power Adapt