Cadillac catera 1999 User Manual

The power steering fluid reservoir is located between
the battery and the brake master cylinder on the driver’s
side of the engine.

It is not necessary to regularly check power steering
fluid unless you suspect there is a leak in the system or
you hear an unusual noise. A fluid loss in this system
could indicate a problem. Have the system inspected 
and repaired.

When the engine compartment is cool, wipe the cap and
the top of the reservoir clean, then unscrew the cap and
wipe the dipstick with a clean rag. Replace the cap and
completely tighten it. Then remove the cap again and
look at the fluid level on the dipstick.

The level should be at the full mark. There are two lines
on the dipstick. The top line is the “full” mark and the
bottom line is the “add” line (which means that fluid
should be added). If necessary, add only enough fluid to
bring the level up to the full mark.

To determine what kind of fluid to use, see
“Recommended Fluids and Lubricants” in the
Maintenance Schedule booklet. Always use the proper
fluid. Failure to use the proper fluid can cause leaks and
damage hoses and seals.