Opel Automobile Owner's Manual page 148

148 Vehicle care
We recommend the use of the same
grade of engine oil that was used at
the last oil change.
The engine oil level must not exceed
the MAX mark on the dipstick.
Caution
Overfilled engine oil must be
drained or suctioned out.
Capacities 3 194, Engine oil quality/
viscosity 3 186.
Fit the cap on straight and tighten it.
Control indicators for engine oil
pressure I 3 85, low engine oil S
3 86 and engine oil life C 3 86.
Once the engine oil has been
changed, the engine oil life monitor
needs to be reset. Seek the
assistance of a workshop.
Engine coolant
The coolant provides freeze
protection down to approx. -28 °C.
Caution
Only use approved antifreeze.
Coolant level
Caution
Too low a coolant level can cause
engine damage.
If the cooling system is cold, the
coolant level should be between the
MIN and MAX marks. Top up if the
level is low.
9 Warning
Allow the engine to cool before
opening the cap. Carefully open
the cap, relieving the pressure
slowly.
To top up use a 1:1 mixture of
released coolant concentrate mixed
with clean tap water. If no coolant
concentrate is available, use clean
tap water. Install the cap tightly. Have