2022 LEXUS RX450h engine

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Page 369 of 532

LEXUS RX450h 2022  Owners Manual 3676-3. Do-it-yourself maintenance
6
Maintenance and care
●When the engine is new, for example 
directly after purchasing the vehicle or 
after replacing the engine
●If low quality oil or oil of a

Page 370 of 532

LEXUS RX450h 2022  Owners Manual 3686-3. Do-it-yourself maintenance
■Power control unit coolant reser-
voir
The coolant level is satisfactory if it is 
between the “FULL” and “LOW” lines 
on the reservoir when the hybrid sy

Page 371 of 532

LEXUS RX450h 2022  Owners Manual 3696-3. Do-it-yourself maintenance
6
Maintenance and care
■Checking fluid level
The brake fluid level should be 
between the “MAX” and “MIN” lines 
on the tank.
■Adding fluid
Make sure to

Page 372 of 532

LEXUS RX450h 2022  Owners Manual 3706-3. Do-it-yourself maintenance
RX450h
The 12-volt battery is located in the 
left-hand side of luggage compart-
ment.
RX450hL
The 12-volt battery is located in the 
left-hand side of luggage

Page 390 of 532

LEXUS RX450h 2022  Owners Manual 3886-3. Do-it-yourself maintenance
1Turn the power switch off.
2 Open the fuse box cover.
Engine compartment
Push the tab in and lift the lid off.
Driver’s side instrument panel
Remove the lid

Page 397 of 532

LEXUS RX450h 2022  Owners Manual 3956-3. Do-it-yourself maintenance
6
Maintenance and care
6Reinstall the fender liner and install 
the 3 fender liner clips.
■Front turn signal lights (vehicles 
with single-bea m headlights)
1 Remo

Page 399 of 532

LEXUS RX450h 2022  Owners Manual 3976-3. Do-it-yourself maintenance
6
Maintenance and care
9Install the engine compartment 
cover.
1 Push up center portion
2 Insert
3 Press
■Rear turn signal lights (bulb type)
1 Open the back door

Page 406 of 532

LEXUS RX450h 2022  Owners Manual 4047-1. Essential information
not operate, the engine and motor stop, and 
the vehicle may not be able to get moving.
■Using an emergency escape hammer*1
Laminated glass*2 is used in the windshield