PONTIAC G5 2010 Owners Manual
Page 291 of 422
{WARNING:
You can be burned if you spill coolant on hot
engine parts. Coolant contains ethylene glycol,
and it will burn if the engine parts are hot enough.
Do not spill coolant on a hot engine.
When replacing the pressure cap, make sure it is
hand-tight and fully seated.
Engine Overheating
You will find an engine coolant temperature warning
light on your vehicle’s instrument panel. See Engine
Coolant Temperature Warning Light on page 4-29 for
more information.
If Steam Is Coming From Your Engine
{WARNING:
Steam from an overheated engine can burn you
badly, even if you just open the hood. Stay away
from the engine if you see or hear steam coming
from it. Just turn it off and get everyone away from
the vehicle until it cools down. Wait until there is no
sign of steam or coolant before you open the hood.
If you keep driving when your engine is overheated,
the liquids in it can catch fire. You or others could
be badly burned. Stop your engine if it overheats,
and get out of the vehicle until the engine is cool.
Notice: If the engine catches re because of being
driven with no coolant, your vehicle can be badly
damaged. The costly repairs would not be covered
by the vehicle warranty.
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If No Steam Is Coming From Your
Engine
An engine coolant temperature warning can indicate a
serious problem. SeeEngine Coolant Temperature
Warning Light on page 4-29 .
If you get an engine coolant temperature warning, but
see or hear no steam, the problem may not be too
serious. Sometimes the engine can get a little too hot
when you:
•Climb a long hill on a hot day.
•Stop after high-speed driving.
•Idle for long periods in traffic.
•Tow a trailer.
If you get the engine coolant temperature warning with
no sign of steam, try this for a minute or so: 1. If you have an air conditioner and it is on, turn it off.
2. In heavy traffic, let the engine idle in N (Neutral) for automatic transmission or NEUTRAL for manual
transmission, while stopped. If it is safe to do so, pull
off the road, shift to P (Park) or N (Neutral) and let
the engine idle.
3. Turn on your heater to full hot at the highest fan speed and open the windows as necessary. If you no longer have the overheat warning, you can
drive. Just to be safe, drive slower for about 10 minutes.
If the warning does not come back on, you can drive
normally.
If the warning continues and you have not stopped, pull
over, stop, and park your vehicle right away.
If there is still no sign of steam, you can idle the engine
for three minutes while you are parked. If you still have
the warning, turn off the engine and get everyone out of
the vehicle until it cools down.
You may decide not to lift the hood but to get service
help right away.Windshield Washer Fluid
What to Use
When you need windshield washer fluid, be sure to read
the manufacturer’s instructions before use. If you will be
operating your vehicle in an area where the temperature
may fall below freezing, use a fluid that has sufficient
protection against freezing.
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Adding Washer Fluid
Open the cap with the
washer symbol on it. Add
washer fluid until the tank is
full. SeeEngine
Compartment Overview on
page 6-12 for reservoir
location.
Notice:
When using concentrated washer uid, follow
the manufacturer’s instructions for adding water.
Do not mix water with ready-to-use washer uid.
Water can cause the solution to freeze and
damage your washer uid tank and other parts of
the washer system. Also, water does not clean as
well as washer uid.
Fill the washer uid tank only three-quarters full
when it is very cold. This allows for uid
expansion if freezing occurs, which could
damage the tank if it is completely full.
Do not use engine coolant (antifreeze) in your
windshield washer. It can damage the vehicle’s
windshield washer system and paint.
Brakes
Brake Fluid
The brake master
cylinder and, on manual
transmission vehicles,
the clutch hydraulic system
use the same reservoir
filled with DOT 3
brake fluid.
See Engine Compartment Overview on page 6-12 for
the location of the reservoir.
There are only two reasons why the brake fluid level in
the reservoir might go down:
•The brake fluid level goes down because of normal
brake lining wear. When new linings are installed,
the fluid level goes back up.
•A fluid leak in the brake and/or clutch hydraulic
system can also cause a low fluid level. Have
the brake and/or clutch hydraulic system fixed, since
a leak means that sooner or later the brakes
and/or clutch will not work well.
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Do not top off the brake/clutch fluid. Adding fluid does
not correct a leak. If fluid is added when the brake
linings are worn, there will be too much fluid when new
brake linings are installed. Add or remove fluid, as
necessary, only when work is done on the brake/clutch
hydraulic system.
{WARNING:
If too much brake fluid is added, it can spill on the
engine and burn, if the engine is hot enough. You
or others could be burned, and the vehicle could
be damaged. Add brake fluid only when work is
done on the brake and/or clutch hydraulic system.
When the brake fluid falls to a low level, the brake
warning light comes on. See Brake System Warning
Light on page 4-26.
What to Add
Use only new DOT 3 brake fluid from a sealed container.
See Recommended Fluids and Lubricants on page 7-10 .
Always clean the brake fluid reservoir cap and the
area around the cap before removing it. This helps keep
dirt from entering the reservoir.
{WARNING:
With the wrong kind of fluid in the brake or clutch
hydraulic system, the brakes or clutch might not
work well. This could cause a crash. Always use
the proper brake fluid.
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