2001 Volvo S60 Owner's Manual - Page 77

2001 VOLVO S60 Starting and driving pg. 125 Starting and driving Refueling 126 Starting the car 128 General information 130 Manual transmission 132 Automatic transmission (option) 133 Geartronic (option ) 135 Brake system 137 Stability system 139 Towing 141 Jump starting 143 Towing a trailer 144 Detachable trailer hitch - installing 146 Detachable trailer hitch - removing 147 Attaching load carriers 148 Cold weather precautions 149 Before a long distance trip 150 pg. 126 Refueling ENGINE OIL Although some oil consumption occurs during normal engine operation, more oil is consumed when the engine is new as the internal parts generate higher friction while wearing- in to each other. From the time the engine is new until the first service is performed, the oil consumption could be higher than normal. For this reason, it is especially important to check the oil every time you refuel your car during this period. See page 172. Fuel requirements Octane rating Volvo engines are designed for optimum performance on unleaded premium gasoline with an AKI octane rating of 91 or above. AKI (ANTI KNOCK INDEX) is an average of the Research Octane Number, RON, and the Motor Octane Number, MON. (RON + MON/ 2). The minimum octane requirement is AKI 87 (RON 91). Deposit control gasoline (detergent additives) Volvo recommends the use of gasoline containing deposit control additives. These additives have shown to be effective in keeping injectors and intake valves clean. Consistent use of deposit control gasolines will help ensure good driveability and fuel economy. If you are not sure whether the gasoline contains deposit control additives, check with the service station operator. NOTE: Volvo does not recommend the use of external fuel injector cleaning systems. Unleaded fuel Each Volvo has a three-way catalytic converter and must use only unleaded gasoline. U. S. and Canadian regulations require that