?Warranty? One-year warranty, Friendly return policy and customer service. Any questions with the mazda carplay kit, please feel free to contact us, we will reply to you within 12 hours. ?Attention?1.Please make sure your system must be on version 70.00.021 or higher, if not, pls contact us to help you upgrade the firmware. 2. Siri must be turned on to connect to CarPlay 3.Before upgrading the firmware, you should remove the SD card and insert it when you complete it in case the navigation cannot work. ?NEW UPGRADED Wired Carplay & Android Auto?Our New UPGRADED mazda carplay kit supports all functions of the original car system.It supports Support Voice Control and Hand-free Calling, Original Mazda SD Card Navigation map,Original Car Knob Control,Steering Wheel Operation,Camera & Parking Sensors and more original function. You also can switch freely between the original car system and the Android Auto / CarPlay system. ?The Carplay Kit fits for Mazda? This TYPE-C mazda apple car play retrofit kit fits for Mazda CX3 2016 - 2019 ; Mazda CX5 2015 - 2020 ; Mazda CX9 2016 - 2020 ; Mazda 2 2016 -2019 ; Mazda 3 2014 - 2018 ; Mazda 6 2016 - 2020 ; Mazda MX-5 Miata Club / Grand Touring 2016 - 2020 ; Mazda MX-5 Miata RF Sport 2018 - 2019 ; Mazda MX-5 Miata Sport 2018 - 2020 (If your car does not have an MZD connection device, it will not work) ; Replace part number: TK78-66-9U0C K1414 00008FZ34. ?TYPE-C Interface PD Fast Charging?The type C port at the bottom supports PD fast charging,which can prevent your Carplay / Android Auto phone being out of charge.The maximum charging speed can reach 27W.