The driver of a vehicle that is equipped with a tachograph must:

• 1Ensure proper operation of the tachograph and management of its operating modes in accordance with the manufacturer's instructions.
• 2Install, change, and fill out tachograph cards in a timely manner and ensure their proper storage.
• 3In the event of a tachograph failure, take no measures until the device has been repaired.
• 4Answers 1 and 2.