S80 (excl. AWD)- 30664 150-7 S60 (excl. AWD, R)- 30664 151-7 V70 (excl. R)- 9499 085-0 V70-01- - AWD- 9499 142-9 XC70 9499 143-7 Bi-Fuel has level control as standard. Equipping your car with Volvo's fully automatic level control offers the following advantages and features: Automatic shock absorber adjustment, depending on the load the car is carrying Stable handling even when towing a trailer High ride comfort, even when carrying a heavy load No risk of dazzling other road users Easy to install; no extra cables or pumps