Try to search something different in this manual:
battery capacity, gas type, gas mileage, oil capacities, drain bolt, instrument cluster, airbag off, spare tire location
Or view whole manual here:
View, print and download for free: maintenance schedule - OPEL ASTRA J GTC 2012.5 車主手冊 (in Taiwanese), 195 Pages, PDF Size: 6.31 MB. Search in OPEL ASTRA J GTC 2012.5 車主手冊 (in Taiwanese) online. CarManualsOnline.info is the largest online database of car user manuals. OPEL ASTRA J GTC 2012.5 車主手冊 (in Taiwanese) PDF Download.
All product names, logos, and brands are property of their respective owners.