Toyota 2008 Prius Quick Reference Manual page 392

Engine compartment cover
n Removing the cover
Front
n Installing the clips
Engine oil
With the engine at operating temperature and turned off, check the oil
level on the dipstick.
n Checking the engine oil
STEP 1
Park the vehicle on level ground. After turning off the hybrid
system, wait a few minutes for the oil to drain back into the
bottom of the engine.
PRIUS_U_(L/O_0802)
4-3. Do-it-yourself maintenance
Push up center portion
Insert
Press
4
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