Volvo 1992 240 - Manual (Page 76)

1992 Volvo 240
more fuel and is subject to increased wear.
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Drive carefully and avoid rapid acceleration and hard braking.
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Do not exceed speed limit.
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Avoid carrying unnecessary items (extra load) in the car.
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Check tire pressures regularly (cold tires).
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Remove snowtires when threat of snow or ice has ended.
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Note that roof racks, ski racks, etc., increase air resistance and thereby fuel consumption.
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Avoid using automatic transmission kickdown feature unless necessary.
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Avoid using the air conditioning when it is not required.
Other factors which decrease gas mileage are:
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Low tire pressure
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Worn or dirty spark plugs
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Incorrect spark plug gap
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Dirty air filter
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Incorrect valve clearance
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Dirty engine oil and clogged oil filter
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Dragging brakes
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Incorrect front end alignment
Shift indicator light
(manual transmission models only)
The Volvo shift indicator light (S.I.L.) is a device designed to help you get even better gas mileage from
you Volvo car. Studies have shown that the best fuel economy is obtained by shifting gears at low
engine rpm and high relative engine load. The Volvo S.I.L. is calibrated to show you when to shift for
improved mileage without sacrificing smooth acceleration.
Use of the S.I.L. is simple. Shift to next higher gear as soon as the light comes on. You may find after
using the S.I.L. for some time that your natural shifting rhythm will adapt to the S.I.L's suggestion.
Some drivers may even shift before the light comes on.
Obviously, there will be times when you need to shift later than the light would indicate (for example,
when climbing hills or trailer towing). Using the light regularly, however, should result in mileage
improvement of six percent or more, depending on how you normally drive.
Programming instructions for shift indicator
If the battery is disconnected the control unit will have to be re-programmed as the memory would be
erased.
Drive the car in each gear (first gear not necessary) for approximately 8 seconds.
The gear change indicator light will flicker once (0.5 seconds), as each gear is programmed.
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