Lexus 2012 RX450h Owner's Manual page 750

4-3. Do-it-yourself maintenance
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 it off (RX350) or warming up the engine and turning
off the hybrid system (RX450h), wait more than 5 minutes for the
oil to drain back into the bottom of the engine.
RX350
STEP 2
RX450h
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.
750
Holding a rag under the end, pull
the dipstick out.
Holding a rag under the end, pull
the dipstick out.