When doing replacement or upgrading on 2011 – 2017 Lexus CT200h with capsule halogen headlamps, the bulb size guide is necessary for you to take the reference.
Jump to corresponding car model with the catalog bellow.

Low Beam Headlight2011 – 2017 H11
High Beam Headlight2011 – 2017 H9
Front Fog Light2011 – 2017 H8/H11/H16
Back Up Light2011 – 2017 921
Dome Light2011 – 2017 DE3175
Front Turn Signal2011 – 2017 7444NA
License Plate2011 – 2013 168
Parking Light2011 – 2017 7443NA
Rear Turn Signal2011 – 2017 7440NA
Map Light2011 – 2017 194
Trunk2011 – 2013 DE3022
2014 – 2017 DE3175