Hyundai i40 2015 Owner's Manual page 621

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Specifications & Consumer information

Recommended SAE viscosity

Always be sure to clean the area

around any filler plug, drain plug, or

dipstick before checking or drain-

ing any lubricant. This is especially

important in dusty or sandy areas

and when the vehicle is used on

unpaved roads. Cleaning the plug

and dipstick areas will prevent dirt

and grit from entering the engine

and other mechanisms that could

Engine oil viscosity (thickness) has an

effect on fuel economy and cold weather

operating (engine start and engine oil

flowability). Lower viscosity engine oils

can provide better fuel economy and cold

weather performance, however, higher

viscosity engine oils are required for sat-

isfactory lubrication in hot weather. Using

oils of any viscosity other than those rec-

ommended could result in engine dam-

Temperature Range for SAE Viscosity Numbers

Engine Oil (1.7L)

When choosing an oil, consider the range

of temperature your vehicle will be oper-

ated in before the next oil change.

Proceed to select the recommended oil

viscosity from the chart.

0W-40, 5W-30, 5W-40

5W-20, 5W-30

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