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1985 Volvo 740 GL, GLE, Turbo
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.
pg. 10 Starting indicator light
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.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 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 driver's 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.
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: Remove the foot completely from the clutch pedal after each gear change when programming the
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