entao aki fica o processo q eu uma vez saquei para um amigo de como se faz essa artimanha nos 6K:
:arrow: The speedometer has a factory built-in error to show a speed faster than your actual speed. The Climatronic (automatic climate control) system includes a number of sensors that you can access through the diagnostic mode. To see your true speed in digital format press the following key combinations:
1. Press Fan Down, Temperature Colder, ECON at the same time.
2. Use the temperature control buttons to cycle through the various channels to Channel 16.
3. Press ECON to go back to normal. (It goes back automatically when you restart the car.)
espero q ajude. experimentem e dps digam se realmente funciona pk acabei por nunca mais entregar isto ao rapaz logo nunca xegamos a experimentar.
abraços