When doing replacement or upgrading on 2012 – 2018 Chevrolet Sonic Sedan Hatchback, the bulb size guide is necessary for you to take the reference.
Jump to corresponding car model with the catalog bellow.

Low Beam Headlight 2012 – 2018 H11
High Beam Headlight 2012 – 2018 9005
Front Fog Light 2012 – 2016 H8
2017 – 2018 PSX24W
Back Up Light 2012 – 2016 3157
2012 – 2018 921
Brake 2017 – 2018 7440
2012 – 2016 7443
Dome Light 2012 – 2016 578
2017 – 2018 6411
Front Side Marker 2017 – 2018 7443NA
2012 – 2016 7444NA
Front Turn Signal 2012 – 2018 7443NA
License Plate 2012 – 2018 12961
Parking Light 2017 – 2018 7443NA
2012 – 2016 7444NA
Rear Side Marker 2012 – 2016 194
2012 – 2016 7443
Rear Turn Signal 2012 – 2016 4157
2017 – 2018 7440NA
Tail Light 2017 – 2018 7440
2012 – 2016 7443
Map Light 2012 – 2018 12961