Radiator Pressure Cap; Coolant Surge Tank Pressure Cap; Engine Overheating - Buick 2008 Lucerne Owner's Manual

Radiator Pressure Cap

Notice: The radiator cap on your vehicle is a
pressure-type cap and must be tightly installed to
prevent coolant loss and possible engine damage
from overheating. Be sure the arrows on the cap line
up with the overflow tube on the radiator filler neck.
See Engine Compartment Overview on page 5-12 for
more information on location.

Coolant Surge Tank Pressure Cap

Notice: If the pressure cap is not tightly installed,
coolant loss and possible engine damage may
occur. Be sure the cap is properly and tightly
secured.
See Engine Compartment Overview on page 5-12 for
more information on location.

Engine Overheating

You will find a warning light about a hot engine as well
as an engine coolant temperature gage on your
vehicle's instrument panel cluster.
5-28
If Steam Is Coming From Your Engine
CAUTION:
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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. 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 the vehicles 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.
See Overheated Engine Protection Operating
Mode on page 5-30 for information on driving
to a safe place in an emergency.
Notice: If your engine catches fire because you keep
driving with no coolant, your vehicle can be badly
damaged. The costly repairs would not be covered by
your warranty. See Overheated Engine Protection
Operating Mode on page 5-30 for information on
driving to a safe place in an emergency.