Volvo S90 2020 Owner's Manual page 241

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Additional heater*
The auxiliary heater helps to heat the passen-
ger compartment and engine while driving.
The additional heater is one of two subfunc-
tions of the car's heater. The heater is fitted in
the front right-hand wheel housing.
NOTE
When the heater is running, smoke may be
emitted from the right-hand front wheel
housing and a low hum may be heard. A
ticking sound from the fuel pump may also
be heard from the rear section of the car.
This is perfectly normal.
The additional heater starts and is controlled
automatically when heating is required while
the car is being driven.
It switches off automatically when the car is
switched off.
NOTE
Make sure there is enough fuel in the car's
fuel tank if the auxiliary heater needs to be
used.
Related information
Heater* (p. 237)
Parking heater* (p. 238)
Activating and deactivating automatic
start of auxiliary heater* (p. 239)
Activating and deactivating
automatic start of auxiliary heater*
The auxiliary heater helps to heat the passen-
ger compartment and engine while driving.
It is possible to set whether automatic start
for the additional heater should be activated/
deactivated.
1.
Settings
Press
in the top view in the cen-
tre display.
2. Press
Climate
.
3. Select
Additional Heater
to activate/
deactivate automatic start of the addi-
tional heater.
NOTE
Volvo recommends that the automatic
start for the additional heater should be
switched off for short driving distances.
Related information
Additional heater* (p. 239)
* Option/accessory.
CLIMATE
239

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