Lexus RX 450h 2012 Owner's Manual page 516

Engine oil
With the engine at operating temperature and turned off, check the oil
level on the dipstick.
■ Checking the engine oil
Park the vehicle on level ground. After warming up the engine
STEP 1
and turning off the hybrid system, wait more than 5 minutes for
the oil to drain back into the bottom of the engine.
STEP 2
Wipe the dipstick clean.
STEP 3
Reinsert the dipstick fully.
STEP 4
Holding a rag under the end, pull the dipstick out and check the
STEP 5
oil level.
Wipe the dipstick and reinsert it fully.
STEP 6
4-3. Do-it-yourself maintenance
Hold a rag under the end and pull
the dipstick out.
Low
Full
4
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