Porsche Track Precision App Precision instrument from motor sports: the new Sport Chrono package including Porsche Track Precision App and lap trigger preparation for the Porsche 911 GT3.This is the Porsche Track Precision App to complete your Sport Chrono package for the Porsche 911 GT3. When driving on a race circuit, the driving dynamics and the sector and lap times are visualised as well as the lap time differences are displayed in comparison with a reference lap. The app uses highly precise system data supplied directly by a separate control unit in the vehicle.With the Porsche Track Precision App, lap times can be measured automatically via GPS and precise vehicle data, including video, can be recorded, analysed and managed on your artphone. It is possible to share and compare the recorded data with other drivers. For more details, please see the functional description at www.porsche.com/track-precision-appThe lap trigger available through Porsche Tequipment allows even more precise measurement of the lap times. It can be positioned next to the start and finish line on the circuit. Then it automatically measures and tranits the lap times to the Porsche Track Precision App.Requirements:A Porsche 911 GT3 as well as the option "Sport Chrono package including Porsche Track Precision App and lap trigger preparation" (643) are required to use the Porsche Track Precision App. The control unit for the Porsche Track Precision app is available for retrofitting in the entire Porsche 911 GT3 (991) model range through Porsche Tequipment.The full range of app functions is only available when you drive your vehicle on tracks closed to the public that are supported by the Porsche Track Precision App.The map editor and analyses based on GPS data are not available in China and Turkey. Minimum requirement: Dual core,1 GB RAM, min. resolution 1280 x 720.Terms of use: Only use the Porsche Track Precision App on tracks that are closed to the public. Adapt your driving style to your personal ability and the prevailing conditions. As driver, you bear sole responsibility for controlling your vehicle.Secure your artphone in a holder designed for this purpose. Park your vehicle safely before operating the application or viewing evaluations and analyses.The accuracy of the displayed values, evaluations and analyses cannot be guaranteed as conditions can vary. The use of GPS via artphone can decrease the artphone battery life without any charging connection to the vehicle.