In the name of God, the Most Gracious, the Most Merciful. Adding many features to Audi, Volkswagen, and BMW cars. Mercedes, including: - Canceling seatbelt sound - Modifying turn signals or flashers (1-7) blinks - Canceling start and stop system - Modifying the dashboard display - Opening and closing doors while the car is running - Modifying maintenance schedules and resetting the counter - Modifying headlights Note: Features vary by car manufacturer. Each car has different features that can be added, depending on the trim level. Service cost: 50 SAR