Opel 2015 Adam Owner's Manual page 211

International service schedule
Required engine oil quality
Engine oil quality
dexos 1
dexos 2
In case dexos quality is unavailable you may use the oil qualities listed below:
Engine oil quality
GM-LL-A-025
GM-LL-B-025
All countries outside Europe
except Israel
Petrol engines
(including CNG, LPG, E85)
✔
–
All countries outside Europe
except Israel
Petrol engines
(including CNG, LPG, E85)
✔
–
Technical data
Only Belarus, Moldova, Russia, Turkey
Petrol engines
(including CNG, LPG, E85)
–
✔
Only Belarus, Moldova, Russia, Turkey
Petrol engines
(including CNG, LPG, E85)
✔
–
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