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Pontiac 1998 Grand Prix Owner's Manual page 252

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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. If your vehicle has the
3100 engine, see "Overheated Engine Protection
Operating Mode" in the Index.
If No Steam Is Coming From Your Engine
If you get the overheat 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 overheat warning with no sign of steam,
try this for a minute or so:
1. Turn off your
a i r
conditioner.
2. Turn on your heater to full hot at the highest fan
speed and open the window as necessary.
3. If you're in a traffic jam, shift to NEUTRAL (N);
otherwise, shift to the highest gear while
driving
--
AUTOMATIC OVERDRIVE
(03)
or DRIVE (D).
If you no longer have the overheat warning,
you
can drive. Just to be safe, drive slower for about
10 minutes. If the warning doesn't come back on,
you can drive normally.
If the warning continues, pull over, stop, and park your
vehicle right away.
If there's still no sign of steam,
you can idle the
engine
for two or three minutes while you're parked, to see if
the warning stops. But then, if you still have the
warning, turn off the engine and get everyone out of
the vehicle until it cools down. If your vehicle has the
3 100 engine, see "Overheated Engine Protection
Operating Mode" listed previously in this section.
You may decide not to lift the hood but to get service
help right away.
5-17

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