Repair and Maintenance. During the rental period, you must take all measures necessary to keep the rented vehicle in the condition it was in at the start of the rental. Look out for warning lights on the vehicle display and take all necessary measures in accordance with the operating instructions. In particular, you are obligated to check oil level and cooling water levels and to carry out regular tire pressure and tire condition checks before and during the journey. If vehicle is equipped with diesel exhaust fluid (DEF): At departure the Hirer takes over a full tank of diesel exhaust fluid (DEF). You must regularly check the DEF tank and to ensure that it is properly refilled, at your expense, without delay if the warning signals flash. You shall be liable for all damages and costs ensuing from any breach of these maintenance obligations. Any alteration or mechanical tampering with the rented vehicle without our prior written approval is prohibited. Repairs which become necessary in order to guarantee the operational safety or road safety of the rented vehicle may only be secured by you during the rental period with our written consent. We will bear the repair costs upon presentation of the relevant receipts, unless you are otherwise liable for the damage.
