Use of a digital gyroscope ( e.g. Gyrochip II ) placed above the rear axle of the car, driving a brake light system in such a way that the progressive brake lights become in stages:

1. deceleration
2..normal braking
3. emergency braking

After braking the brake lights remain on until acceleration starts ( information that is given by the gyroscope ) and then gradually diminish, telling the driver behind that we are moving on.

Apart from the braking gyroscope information could be used for:

1. driving habits and fuel consumption monitoring ( horisontal )
2. warning of the rear wheel grip loss ( lateral )