Chevrolet 2004 Monte Carlo Spécifications télécharger pdf (Page 329)

How to Check

Use a good quality pocket-type gage to check tire

pressure. You can’t tell if your tires are properly inﬂated

simply by looking at them. Radial tires may look properly

inﬂated even when they’re underinﬂated. Check the tire’s

inﬂation pressure when the tires are cold. Cold means

your vehicle has been sitting for at least three hours or

driven no more than 1 mile (1.6 km).

Remove the valve cap from the tire valve stem. Press

the tire gage ﬁrmly onto the valve to get a pressure

measurement. If the cold tire inﬂation pressure matches

the recommended pressure on the Tire and Loading

Information label, no further adjustment is necessary.

If the inﬂation pressure is low, add air until you reach the

recommended amount.

If you overﬁll the tire, release air by pushing on the

metal stem in the center of the tire valve. Recheck the

tire pressure with the tire gage.

Be sure to put the valve caps back on the valve stems.

They help prevent leaks by keeping out dirt and moisture.

Tire Pressure Monitor System

Your vehicle has the tire pressure monitor system and

it can alert you to a large change in the pressure of one

tire. The system “learns” the pressure at each tire

throughout the operating speed range of your vehicle.

The system normally takes between 45 and 90 minutes

of driving to learn the tire pressures. This time may

be longer depending on your individual driving habits.

Learning need not be accumulated during a single

trip. Once learned, the system will remember the tire

pressures until the system is recalibrated.

After the system has learned tire pressures with

properly inﬂated tires, the LOW TIRE PRESSURE

message will come on if the pressure in one tire

becomes 12 psi (83 kPa) lower than the other three

tires. The tire pressure monitor system won’t alert you

if the pressure in more than one tire is low, if the system

is not properly calibrated, or if the vehicle is moving

faster than 70 mph (110 km/h).

The tire pressure monitor system detects differences in

tire rotation speeds that are caused by changes in tire

pressure. The system can alert you about a low tire — but

it doesn’t replace normal tire maintenance. See Tires on

page 5-65.

When the LOW TIRE PRESSURE message comes on,

you should stop as soon as you can and check all

your tires for damage. If a tire is ﬂat, see If a Tire Goes

Flat on page 5-81. Also check the tire pressure in all

four tires as soon as you can. See Inﬂation - Tire

Pressure on page 5-72.

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Chevrolet 2004 Monte Carlo Spécifications Page 329

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