Volvo S90 Owner's Manual page 452

STARTING AND DRIVING
Overheating in the engine and drive
system
Under certain conditions, e.g. hard driving in hilly
terrain and hot climate, there is a risk that the
engine and drive system may overheat – in par-
ticular with a heavy load.
In the event of overheating, the engine's
•
power may be limited temporarily.
Remove any auxiliary lamps from in front of
•
the grille when driving in hot climates.
If the temperature in the engine's cooling
•
system becomes too high then a warning
symbol is illuminated and the driver display
shows the message Engine temperature
High temperature Stop safely
car in a safe way and allow the engine to run
at idling speed for several minutes and cool
down.
If the message Engine temperature High
•
temperature Turn off engine
coolant Level low, turn off engine
shown, stop the car and switch off the
engine.
In the event of overheating in the gearbox, an
•
alternative gear shift program will be
24
selected . In addition, a built-in protection
function is activated that, amongst other
things, illuminates a warning symbol and the
driver display shows the message
Applies to automatic gearbox.
24
450
Transmission warm Reduce speed to
lower temperature
Stop safely, wait for cooling
recommendation given, reduce speed or stop
the car in a safe way and allow the engine to
run at idling speed for several minutes to
enable the gearbox to cool down.
If the car overheats, the air conditioning may
•
be switched off temporarily.
Do not turn the engine off immediately you
•
stop after a hard drive.
NOTE
It is normal for the engine's cooling fan to
operate for a time after the engine has been
. Stop the
switched off.
Engine
or
is
Symbols in the driver display
Transmission hot
or
Symbol
. Follow the
Related information
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•
•
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Specification
High engine temperature. Follow
the recommendation given.
Low level, coolant. Follow the rec-
ommendation given.
Gearbox hot/overheated/cooled.
Follow the recommendation given.
Topping up coolant (p. 578)
Driving with a trailer (p. 456)
Preparations for a long trip (p. 437)
Gear shift indicator (p. 423)