1981 Volvo DL, GL and GLT
inspection, using care not to accelerate rapidly or drive at very high speed.
I Alternator warning light (red)
If the light comes on while the engine is running, check the tension of the alternator drive belt as soon as
possible. (See section titled "Cooling system".)
NOTE: This warning light is illuminated if the alternator is not charging. However, alternator, parking
brake, brake failure, Lambda-sond
system service reminder and bulb failure will be
illuminated at the same time due to the design of the system.
J Oil pressure warning light (red)
If the light comes on during driving, the oil pressure is too low. 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.
O Parking brake reminder light (red)
This light will be on when the parking brake (hand brake) is applied. The parking brake lever is situated
between the front seats.
P Brake failure warning light (red)
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. Proceed cautiously to a "repair shop" for an
inspection of the brake system.
Q Bulb failure warning light (yellow)
The light will come on if any of the following bulbs are defective:
one of the lower beams
one of the tail lights
one of the brake lights (when the brake pedal is depressed).
See section on "Replacing Bulbs".
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