1993 Volvo 850 GLT
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Select position L when descending long, steep downgrades and position 3 for less steep downgrades,
in order to obtain the best possible engine braking effect.
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Do not hold the car stationary on an incline by using the accelerator pedal. Instead, apply the hand
brake (parking brake). This prevents the transmission oil from becoming overheated.
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When towing a trailer, select shift position 3.
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The (E)conomy mode should be selected when the cruise control is engaged.
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While towing a trailer in hilly terrain, do not drive continuously at engine speeds above 4500 rpm to
help avoid high engine oil temperatures.
Cooling system
The risk for engine overheating is greatest, especially in hot weather, when:
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towing a trailer up steep inclines for prolonged periods at wide open throttle and low engine rpm.
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idling for prolonged periods while the air conditioning system is in operation.
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stopping the engine suddenly after high speed driving (so-called "after-boiling" can occur).
To avoid overheating, the following rules should be followed:
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Do not drive for prolonged periods at engine speeds above 4500 rpm if you are towing a trailer in
hilly terrain.
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Reduce speed and downshift when towing a trailer up long, steep inclines. The risk of overheating can
be reduced by switching off the air conditioning system for a short time.
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Do not let the engine idle unnecessarily for prolonged periods.
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Do not mount auxiliary lamps in front of the grill.
When the risk of overheating is imminent, or in the event of overheating, (the temperature gauge goes
repeatedly into, or stays continually in, the red section) the following precautions should be taken:
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Switch off the air conditioning system.
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Stop the car and put the gear lever into neutral. Do not stop the engine!
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If the vehicle is overheating, switch the heater to full (maximum) position. Increase the engine speed
to approx. 2000 rpm (twice idling speed).
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Check the level of coolant in the expansion tank. Top-up, if necessary. See "Cooling System".
The engine must be switched off before topping-up coolant.
CAUTION: Drive slowly and carefully if going through standing water (i.e. flooded roadways, etc.).
Damage to engine could result if excess water is ingested through the air intake system.
Never drive the vehicle in water deeper than 1 foot (300 mm).
WARNING! Do not drive with trunk lid or tailgate open!
Poisonous exhaust gases may enter via the open trunk lid or tailgate.
If the trunk lid/tailgate must be kept open for any reason, proceed as follows:
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Close the windows.
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Set the ventilation system control to air flow to floor, windshield and side windows and blower
control to its highest setting.
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