FORD 2000 Focus - Manual (Page 199)

Maintenance and care
199
CHECKING AND ADDING
POWER STEERING FLUID
Check the power steering fluid.
Refer to the Scheduled
Maintenance Guide" for the service
interval schedules. If adding fluid is
necessary, use only MERCON 
ATF.
1. The power steering fluid level
should be checked before starting
the engine.
2. Check the fluid level in the
reservoir. It should be between the
MIN and MAX lines. Do not add
fluid if the level is in this range.
3. If the fluid is low, add fluid in
small amounts, continuously
checking the level until it reaches
the range between the MIN and
MAX lines. Be sure to put the cap
back on the reservoir.