If dash looks like below, can offer https://phoenixautomotiveinc.com/products/px6-six-core-13-6-vertical-screen-android-9-0-fast-boot-navigation-radio-for-jeep-grand-cherokee-2011-2013?_pos=3&_sid=539df2a33&_ss=r


Q : Compatibility w Android radio (prefer 13.6in),  checking that all pictured OEM features are supported (including seat heat/air control, tow/haul, etc) plus existing vehicle GPS antenna input and Sirius radio antenna input. Continued use of the vehicle's GPS antenna is helpful whwre i live in the mountains and no cell phone signal for cell-based GPS

A: This unit will be compatible with your car. and it can retain eat heat/air control, tow/haul but can not retain factory GPS 

source: 399470