fuel additives VOLVO XC90 T8 2018 Owner´s Manual

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STARTING AND DRIVING
464Refueling is done as follows.
1. Turn off the engine and open the fuel filler
door.
NOTE
Refueling must be done within approximately 10 minutes of opening the fuel filler door.After this time, the valve opened by pushingthe button will close and it will no longer bepossible to refuel without the pump's nozzleswitching off. If the valve is closed before refueling is com- plete - press the button again and wait until the driver display shows the message
Fuel
tank Ready for refueling.
2. Select a fuel approved for use in the vehicle. For more information on approved fuels, see the section on "Gasoline".
3. Insert the pump's nozzle into the fuel filler pipe's opening. There are two flaps justinside the fuel filler pipe and the pump's noz-zle must push both of these flaps openbefore fuel can be added. 4. Avoid overfilling the tank. Do not press the
handle on the filler nozzle again after it hasinitially stopped pumping.
> The fuel tank is now filled.
NOTE
An over-full tank may overflow in hot weather.
CAUTION
Avoid spilling gasoline during refueling. In addition to causing damage to the environ-ment, gasolines containing alcohol can causedamage to painted surfaces, which may notbe covered under the New Vehicle LimitedWarranty.
Refueling from a fuel containerWhen filling from a fuel container, use the funnel provided in a foam block under the floor hatch inthe cargo compartment.
1. Open the fuel filler door.
2. Insert the funnel into the fuel filler pipe'sopening. There are two flaps just inside the fuel filler pipe and the tube section of thefunnel must push both of these flaps openbefore fuel can be added.
Related information
• Opening/closing the fuel filler door (p. 462)
Fuel Volvo recommends the use of detergent gaso- line to control engine deposits.
Deposit control gasoline (gasoline with detergent additives)
Detergent gasoline is effective in keeping injec- tors and intake valves clean. Consistent use ofdeposit control gasolines will help ensure gooddriveability and fuel economy. If you are not surewhether the gasoline contains deposit controladditives, check with the service station operator.
NOTE
Volvo recommends not using external fuel injector cleaning systems, e.g. do not adddetergent additives to gasoline before or afterrefueling.
Unleaded fuelAll Volvo vehicles have a three-way catalytic con- verter and must only use unleaded gasoline. USand Canadian regulations require that pumpsdelivering unleaded gasoline are labeled"UNLEADED". Only the nozzles of these pumpswill fit in your vehicle's fuel filler inlet. It is unlaw-ful to dispense leaded fuel into a vehicle labeled"unleaded gasoline only". Leaded gasoline dam-ages the three-way catalytic converter and theheated oxygen sensor system. Repeated use ofleaded gasoline will lessen the effectiveness of

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STARTING AND DRIVING
466
Minimum octane
Decals
Sample fuel pump octane label6
.
Decal on the inside of the fuel filler flap on cars that require premium fuel 7
.
TOP TIER Detergent GasolineVolvo endorses the use of "TOP TIER Detergent Gasoline" where available to help maintainengine performance and reliability. TOP TIERDetergent Gasoline meets a new standard jointlyestablished by leading automotive manufacturesto meet the needs of today's advanced engines.Qualifying gasoline retailers (stations) will, inmost cases, identify their gasoline as having metthe "TOP TIER Detergent Gasoline" standards.
NOTE
Information about TOP TIER Detergent Gaso- line is available at www.toptiergas.com.
NOTE
When switching to higher octane fuel or changing gasoline brands, it may be neces-sary to fill the tank more than once before adifference in engine operation is noticeable.
Fuel FormulationsDo not use gasoline that contains lead or manga- nese as a knock inhibitor, and do not use leadadditives. Besides damaging the exhaust emis-sion control systems on your vehicle, lead hasbeen strongly linked to certain forms of cancer. Many fuels contain benzene as a solvent.Unburned benzene has been strongly linked tocertain forms of cancer. If you live in an areawhere you must fill your own gas tank, take pre-cautions. These may include: •
standing upwind away from the filler nozzle while refueling
• refueling only at gas stations with vaporrecovery systems that fully seal the mouth ofthe filler neck during refueling
• wearing neoprene gloves while handling afuel filler nozzle.
Use of AdditivesWith the exception of gas line antifreeze duringwinter months, do not add solvents, thickeners, orother store-bought additives to your vehicle'sfuel, cooling, or lubricating systems. Overuse maydamage your engine, and some of these additivescontain organically volatile chemicals. Do notneedlessly expose yourself to these chemicals.
WARNING
Never carry a cell phone that is
switched on
while refueling your vehicle. If the phone rings, this may cause a spark that could ignite gaso-line fumes, resulting in fire and injury.
6 AKI (Anti Knock Index) is an average value of RON (Research Octane Number) and MON (Motor Octane Number) - (RON)+(MON)/2
7 For supplementary information - see the car's Service and Warranty Booklet.

SPECIFICATIONS
662
Engine oil specificationsFully synthetic engine oil of at least ACEA A5/B5 must be used. Lower oil gradesmay not offer the same fuel economy, engineperformance or engine protection.
Volvo recommends:
GeneralSee the Service and warranty booklet for infor- mation about oil change intervals.
NOTE
This vehicle is delivered from the factory with synthetic oil.
Do not use oil additives.
Oil viscosityThe wrong oil viscosity can shorten engine serv- ice life during normal use. SAE 5W-30 providesgood fuel economy and engine protection. Seethe viscosity chart.
Viscosity chart
Extreme driving conditions
Volvo's VCC RBS0-2AE/SAE 0W20 oil is recom- mended for extreme conditions.
Oil volume
The oil volume for the engine is:
Liter (approx.) 5.6
US qts (approx.) 5.9
Related information
• Type designations (p. 654)
• Checking and filling engine oil (p. 611) •
Engine oil (p. 610)