When the vehicle above the device is not suitable for resetting the oil change indicator and the message "Inspection overdue". The device can this "error" is not recognized by my car, unfortunately, never reset because. Whether it would recognize other errors, if they were present, I can not say. Incidentally, there is also an interesting ADAC judgment for Cartrend diagnostic device (Simply "Googling" Cartrend diagnostic device ADAC or [...]).