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1985 Volvo 740 GL, GLE, Turbo
pg. 9 Warning lights
The warning lights described on this page should never stay on when driving
When the ignition key is turned on, and before the engine starts, all of the warning lights should be on to
test the function of the bulbs. Should a light not go off after the engine has started, the system indicated
should be inspected. (However, the parking brake reminder light will not go off until the parking brake
is fully released.)
Alternator warning light
If the light comes on while the engine is running, check the tension of the alternator drive belt as soon as
possible.
NOTE: This warning light is illuminated if the alternator is not charging. However, parking brake,
brake failure and bulb failure warning lights will be illuminated at the same time due to the design
of the system.
Brake failure warning light
If the light comes on while driving and the brake pedal can be depressed further than normal, it is an
indication that one of the brake circuits is not functioning.
Stop immediately, open hood and check brake fluid level (see section "Brake fluid, power steering".)
Fluid level below MIN mark: Do NOT drive. Tow car to shop for check/repair of brake system.
Fluid level between MIN and MAX mark: proceed immediately and with caution to a Volvo dealer for
an inspection of the brake system.
Oil pressure warning light
If the light comes on during driving, the oil pressure is too low. Stop the car and then stop the engine
immediately and check the engine oil level. See section titled "Engine oil".
After hard driving, the light will come on occasionally when the engine is idling. This is normal,
provided it goes off when the engine speed is increased.
Parking brake reminder light
This light will be on when the parking brake (hand brake) is applied. The parking brake lever is situated
between the front seats.
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