Lexus IS300H 2017 Manual page 559

Turn the bulb base counterclock-
5
wise.
Remove the light bulb.
6
Install a new light bulb then install
7
the bulb base to the light unit by
inserting it and turning the bulb
base clockwise.
When inserting the socket, align the
marks printed on the light body and
the socket.
7-3. Do-it-yourself maintenance
559
7