Volvo XC90 Owner's Manual page 273

11 Specifications
Fluids and lubricants
IMPORTANT
The recommended transmission fluid must
be used to prevent damage to the gearbox.
Do not mix with any other transmission fluid.
If the transmission is topped up with a dif-
ferent fluid, contact an authorised Volvo
workshop for servicing.
11
NOTE
Under normal driving conditions the gear-
box oil does not need changing during its
service life. However, it may be necessary
under adverse driving conditions, see
page 269.
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