Opel Adam 1.0 2019 Owner's Manual page 206

204 Technical data
International service schedule
Required engine oil quality
Engine oil quality
dexos1 Gen2
dexos2
In case dexos quality is unavailable, you may use the oil qualities listed below:
Engine oil quality
ACEA A3/B4
ACEA C3
All countries with international service interval 3 198
Petrol engines
B / D / F10XFT, D14NEH
✔
–
All countries with international service interval 3 198
Petrol engines
B / D / F10XFT, D14NEH
–
–
All other petrol engines
(including LPG, E85)
–
✔
All other petrol engines
(including LPG, E85)
✔
✔