Specific wiring for retrofitting a tire pressure monitoring system for Audi TT 8J Early warning system to achieve a higher level of safety Monitoring of the wheel pressure by pressure sensors in each wheel, in the event of a pressure loss, the driver is warned acoustically and the affected wheel is displayed in the driver information system You optimize tire wear and save fuel Selectable options: for original head unit: 8J0 907 273 A for original head unit: 8J0 907 274 Scope of delivery: cable set Note: Only for use in vehicles with driver information system (DIS)