Lexus RC350 Owner's Manual page 546

546
7-3. Do-it-yourself maintenance
Remove the light bulb.
4
Install a new light bulb then install
5
the bulb base to the light unit by
inserting it and turning the bulb
base clockwise.
After installing the light bulb, turn on
the front turn signal light to visually
check that there is no light leaking
from the bulb base.
Engage the clamp to reinstall the
6
fender liner and install the clip.
Insert the clip with its groove aligned
vertically to install it.