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Volvo 1990 740 Model
Shift indicator light
(Manual transmission cars only)
The Volvo shift indicator light (S.I.L.) is a device designed to help you get even better gas mileage from your 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.l.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 the 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 a mileage improvement of six percent or
more. depending on how you normally drive.
(SRS) Supplemental Restraint System
If the light comes on (or stays on after the vehicle has started), the SRS diagnostic system has detected a fault. Drive to
an authorized Volvo dealer for inspection. (See section "SRS" for further information.)
Programming instructions for shift indicator
If the current supply to the control unit is cut (battery disconnected), the control unit will have to be re-programmed as
the control unit memory will 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.
NOTE : Remember the foot completely from the clutch pedal after each gear change when programming the control
unit.
Bulb failure warning light
The light will come on if any of the following bulbs are defective:
one of the low beam headlights
one of the tail lights
one of the brake lights when the brake pedal is depressed.
Check the fuse and bulb.
See sections titled "Replacing bulbs" and "Fuses".
Should the warning light come on after a defective outside bulb has been replaced, the corresponding bulb on the other
side of the car should also be replaced.
file:///K|/ownersdocs/1990/1990_740/90740_03.htm (7 of 9)12/30/2006 8:25:49 AM
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