User Manual - Page 555

For 2019 VOLVO XC40.

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MAINTENANCE AND SERVICE
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* Option/accessory.
553
CAUTION
Mix the coolant with water of acceptable
quality. If you are unsure of the quality of
the water, use a Volvo-recommended
premixed coolant.
Make sure the coolant mixture is 50%
water and 50% coolant.
Only use coolants with corrosion protec-
tion recommended by Volvo.
To help ensure sufficient corrosion pro-
tection in the system, only use new cool-
ant when replacing larger components in
the cooling system.
Never run the engine unless the cooling
system is properly filled. An improperly
filled cooling system could lead to high
temperatures and cracks in the cylinder
heads.
High levels of chlorine, chlorides and
other salts may cause corrosion in the
cooling system.
Related information
Engine compartment overview (p. 549)
Coolant specifications (p. 601)
Replacing bulbs
The bulbs in the rear turn signals, brake lights
and rear fog light can be changed without the
help of a workshop.
Halogen headlights are not available on all mod-
els and markets. Contact a Volvo retailer for
more information.
LED
13
bulbs must be replaced by a workshop.
An authorized Volvo workshop is recommended.
NOTE
For information on lights not mentioned in
this article, contact a Volvo dealer or a certi-
fied Volvo service technician.
If you are experiencing problems with any lights
other than light bulbs, contact a workshop
14
. If
there is a problem with an LED
13
light, the entire
lamp unit will normally need to be replaced.
WARNING
The vehicle electrical system must be in igni-
tion mode 0 when bulbs are replaced.
CAUTION
Never touch the bulb glass with your bare fin-
gers. Grease and oils from your fingers vapor-
ize in the heat and will leave a deposit on the
reflector, which may damage it.
NOTE
If the error message persists after the defec-
tive bulb has been replaced, we recommend a
visit to an authorized Volvo workshop.
NOTE
Exterior lighting such as headlights and tail-
lights may develop temporary condensation
on the inside of the lens. This is normal. All
exterior lighting is designed to resist this.
Condensation is normally vented out of the
lamp housing once the light has been lit for
some period of time.
NOTE
Bulbs for active curve lighting* contain traces
of mercury and should therefore always be
submitted to a certified Volvo service techni-
cian.
13
LED (Ligth Emitting Diode)
14
An authorized Volvo workshop is recommended.
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