Lexus RX 450h 2012 Owner's Manual page 529

4-3. Do-it-yourself maintenance
STEP 4
■ Exterior
Make sure that the 12-volt battery terminals are not corroded and
that there are no loose connections, cracks or loose clamps.
■
Installing the 12-volt battery cover
528
After removing
remove the 12-volt battery
cover.
Terminals
Hold-down clamp
Install the 12-volt battery cover
with the clips.
the clips,