Chevrolet 2006 Tahoe Specifications download pdf (Page 114)

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Engine Coolant Heater

Your vehicle may be equipped with an engine

coolant heater.

In very cold weather, 0°F (−18°C) or colder, the engine

coolant heater can help. You will get easier starting

and better fuel economy during engine warm-up.

Usually, the coolant heater should be plugged in a

minimum of four hours prior to starting your vehicle.

At temperatures above 32°F (0°C), use of the coolant

heater is not required. Your vehicle may also have

an internal thermostat in the plug end of the cord. This

will prevent operation of the engine coolant heater

when the temperature is at or above 0°F (−18°C) as

noted on the cord.

To Use the Engine Coolant Heater

1. Turn off the engine.

2. Open the hood and unwrap the electrical cord.

The cord is located on the driver’s side of the

engine compartment, near the power steering

ﬂuid reservoir.

3. Plug it into a normal, grounded 110-volt AC outlet.

{CAUTION:

Plugging the cord into an ungrounded outlet

could cause an electrical shock. Also, the

wrong kind of extension cord could overheat

and cause a ﬁre. You could be seriously

injured. Plug the cord into a properly grounded

three-prong 110-volt AC outlet. If the cord will

not reach, use a heavy-duty three-prong

extension cord rated for at least 15 amps.

4. Before starting the engine, be sure to unplug and

store the cord as it was before to keep it away

from moving engine parts. If you do not, it could be

damaged.

How long should you keep the coolant heater plugged

in? The answer depends on the outside temperature, the

kind of oil you have, and some other things. Instead

of trying to list everything here, we ask that you contact

your dealer in the area where you will be parking

your vehicle. The dealer can give you the best advice

for that particular area.

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Chevrolet 2006 Tahoe Specifications Page 114

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