See also:

Engine oil
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Conditions
• Heavily loading a vehicle may reduce fuel economy at any speed. • Carrying unnecessary weight may reduce fuel economy (approximately 1 mpg [0.4 km/L] is lost for every 400 lb [180 kg] of weight c ...

Reducing speed while using speed control
To reduce a set speed: • Press and hold SET – until you get to the desired speed, then release. You can also use SET – to operate the tap-down function. Press and release SET – to decrease the veh ...