Engine Overheating (4.6L V8 Engine) - Pontiac 2005 Bonneville Owner's Manual

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.

Engine Overheating (4.6L V8 Engine)

You will find an ENGINE HOT, IDLE ENGINE message
or an ENGINE HOT, STOP ENGINE message
displayed in the Driver Information Center (DIC).
There is also an engine coolant temperature gage on
the instrument panel cluster. See DIC Warnings
and Messages on page 3-62 and Engine Coolant
Temperature Gage (V6 Engine) on page 3-45 or Engine
Coolant Temperature Gage (V8 Engine) on page 3-46.
5-38
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. 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.
See Overheated Engine Protection Operating
Mode (4.6L V8 Engine) on page 5-40 for
information on driving to a safe place in an
emergency.