The internal diagnostic system informs the driver about the occurring malfunctions in the vehicle systems and about the current state of the activated and deactivated on-board functions.
To turn on the self-diagnostics of the vehicle's on-board systems, start the engine and press the button «SNESK/000», located on the instrument panel (A).
If none «significant» system malfunctions are not detected, a message will appear on the large instrument panel display «CHECK OK».
If a minor malfunction is detected, the corresponding warning lamps will light up, after which the message will appear on the large instrument panel display «CHECK OK».
If the on-board system detects a serious malfunction, only the appropriate warning lights will illuminate on the large instrument panel display.