Buick LaCrosse Owner's Manual page 281

4. With the coolant surge tank cap
off, start the engine and let it run
until the upper radiator hose
starts getting hot. Watch out for
the engine cooling fans. By this
time, the coolant level inside the
coolant surge tank may be
lower. If the level is lower, add
more of the proper mixture to the
coolant surge tank until the level
reaches the mark pointed to on
the front of the coolant
surge tank.
5. Replace the cap tightly.
There is a engine coolant
temperature warning light on the
instrument cluster that indicates an
overheated engine condition.
See
more information.
There is a coolant temperature
gauge and a engine coolant
temperature warning light on the
instrument cluster that indicate an
overheated engine condition. See
and
for more information.
If the decision is made not to lift the
hood when this warning appears,
get service help right away. See
.
If the decision is made to lift the
hood, make sure the vehicle is
parked on a level surface.
Then check to see if the engine
cooling fans are running. If the
engine is overheating, the fans
should be running. If not, do not
for continue to run the engine and have
the vehicle serviced.
See
information on driving to a safe
place in an emergency.
If an engine overheat warning is
or
displayed but no steam can be seen
or heard, the problem might not be
too serious. Sometimes the engine
can get a little too hot when the
vehicle:
Climbs a long hill on a hot day.
Stops after high-speed driving.
Idles for long periods in traffic.
for