Interface Built-in Navigation Box for (2009-2014) Audi A4l/A5/Q5/S5 with Bluetooth

Grand car video navigation upgrading special supplier-LLT (upgrading function of original car screen)
Suitable car model:
Suitable for an original car with LCD true color display (BYOD). Due to the different model, the upgrading system is not also the same. LLT can perfectly and flexibly realize you car's upgrading function (navigation, BT, visual trajectory reversing HD playback, DVD player, mobile Internet app etc. )Advantage for add:
1. Nondestructive installation design, do not damage the original car lien, special interface wire, plug-up installation without wire cut,
2. Select installation function freely(handwritten navigation, BT, DVD, Reversing, 360 panoramic, automobile data recorder, TMPS, mobile Internet app etc). Make low-end surpass high-end, and make up the function defect of high-end car.
3. Technology is comparatively reliable; Do not involve in the original car agreement., technology risks is fewer and safer comparatively.
4. Remain all functions of the original host after upgrading. If there are some wrong with navigation, it will not have influence on the original car function.
5. Convenient After-sale service; Point-to-point reparation, do not involve in original car accessories, it is more simple, fewer risks, safer and more reliable than dedicated machine
6. Real nondestructive installation of Original car type, remain all functions of the original host after upgrading and tackle the problem of the new "Three Parks of Policy" and 4S that do not support warranty.
7. Original car UI design, perfect match. Long presses touchscreen or original car button to switch navigation pattern.