Lexus RX400h2006 Owner's Manual page 550

ENGINE COMPARTMENT OVERVIEW
INTRODUCTION
1 Brake fluid reservoir
2 Engine oil level
dipstick
3 Engine oil filler cap
4 Inverter coolant
reservoir
5 Fuse boxes
6 Engine coolant radiator
7 Condenser
8 Inverter coolant
radiator
9 Electric cooling fans
10
Engine coolant
reservoir
11 Auxiliary battery
12 Washer fluid tank
523