Volvo S 90 2017, Owner'S Manual

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MAINTENANCE AND SERVICING
506
Climate system service
Service and repairs on the air conditioning sys-
tem should only be done by a trained and quali-
fied Volvo service technician.
Troubleshooting and repairs
The air conditioning system contains a floures-
cent tracer substance. Ultraviolet light is used to
search for leaks in the system.
Refrigerant R134a
WARNING
The air conditioning system contains the
refrigerant R134a under pressure. Service
and repairs on the system should only be
done by a trained and qualified Volvo service
technician.
Related information
•
Climate control system (p. 182)
Replacing bulbs
The halogen headlight, backup light bulbs and
rear fog light bulbs
4
can be replaced by the
owner.
Models with LED (Light Emitting Diode) head-
lights: these lights must be replaced by a trained
and authorized Volvo service technician.
NOTE
Halogen headlights are not available on all
models or in all markets.
Consult your Volvo retailer if you are uncertain
about the type of headlights in your vehicle.
NOTE
•
For information regarding any bulbs not
mentioned in this section, please contact
your Volvo retailer or a trained and
authorized Volvo service technician.
•
Always switch off the ignition before star-
ting to replace a bulb.
•
If an error message remains in the dis-
play after a faulty bulb has been replaced,
contact an authorized Volvo workshop.
•
Condensation may form temporarily on
the inside of the lenses of exterior lights
such as headlights, fog lights, or taillights.
This is normal and the lights are
designed to withstand moisture. Normally,
condensation will dissipate after the
lights have been on for a short time.
•
The optional Active Bending Light bulbs
contain trace amounts of mercury. These
bulbs should always be disposed of by a
trained and qualified Volvo service techni-
cian.
4 Halogen bulbs are not available on all models.