gas tank size OPEL INSIGNIA 2014.5 车主手册 (in Chinese)
Nothing was found :-(
Try to search something different in this manual:
mileage, TPMS reset, phone, service indicator, open gas tank, fuse box, brake sensor, light
Popular in this manual:
engine oil, ABS, stop start, engine, airbag, remote start, key, oil change, child seat, oil, key battery
Or view whole manual here: