When doing replacement or upgrading on 2010 – 2012 Lexus HS250h 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 Headlight 2010 – 2012 H11
High Beam Headlight 2010 – 2012 9005
Front Fog Light 2010 – 2012 H8/H11/H16
Back Up Light 2010 – 2012 921
Daytime Running Light 2010 – 2012 9005
Dome Light 2010 – 2012 DE3175
Front Side Marker 2010 – 2012 194
Front Turn Signal 2010 – 2012 3457
License Plate 2010 – 2012 194
Parking Light 2010 – 2012 3357NA
Rear Turn Signal 2010 – 2012 7440NA
Interior Door 2010 – 2012 194
Trunk 2010 – 2012 194