Tighten the parking brake and turn the ignition key in position of ON.

Press a pedal of a brake and be convinced that start of the engine is possible, only when the lever of gear shifting is installed in situation N or P.

Make sure that the lamp of a backing lights up, and the warning buzzer of the movement by a backing sounds, only when the lever of gear shifting is installed in situation R.

With malfunction check integrity of a chain of the switch of situation a parking / neutral.