Buick 2007 LaCrosse Owner's Manual page 379

How to Check Power Steering Fluid
To check the power steering fluid, do the following:
1. Turn the key off and let the engine
compartment cool down.
2. Wipe the cap and the top of the reservoir clean.
3. Unscrew the cap and wipe the dipstick with
a clean rag.
4. Replace the cap and completely tighten it.
5. Remove the cap again and look at the
fluid level on the dipstick.
If your vehicle has the 3.8L V6 engine, the fluid
level should be between the ADD and HOT marks
when the engine is cold, and at the HOT mark
when the engine is hot. If the fluid is at the
ADD mark when the engine is cold or hot, power
steering fluid should be added.
If your vehicle has the 3.6L V6 engine, the fluid
level should be between the Min (Minimum)
and Max (Maximum) marks when the engine is
cold, and at the Max mark when the engine is hot.
If the fluid is at the Min mark when the engine
is cold or hot, power steering fluid should be
added.
What to Use
To determine what kind of fluid to use, see
Recommended Fluids and Lubricants on page 470.
Always use the proper fluid. Failure to use the
proper fluid can cause leaks and damage hoses
and seals.
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