Volvo 2008 V70 Owner's Manual page 210

Checking the level
The fluid reservoir is concealed under the round cover at the rear of the engine compartment. The round cover must be
removed first before the reservoir cap can be accessed.
The brake fluid should always be between the MIN and MAX marks on the inside of the reservoir. Check, without
removing the cap, that there is sufficient fluid in the reservoir.
Fluid type: DOT 4+ boiling point >536°F (280°C), P/N 9437433
Replace: The fluid should be replaced according to the intervals specified in the Warranty and Service Records
Information booklet.
When driving under extremely hard conditions (mountain driving, etc), it may be necessary to replace the fluid more
often. Consult a trained and qualified Volvo service technician.
Always entrust brake fluid changing to a trained and qualified Volvo service technician.
WARNING
If the fluid level is below the MIN mark in the reservoir or if a brake-related message is shown in the information
display: DO NOT DRIVE. Have the car towed to a trained and qualified Volvo service technician and have the brake
system inspected.
Filling
Turn and open the cover.
Unscrew the reservoir cap and fill the fluid. The level must be between the MIN and MAX marks.
Power steering fluid
Check the level frequently. The fluid does not require changing. The fluid level must be between the MIN and MAX