Opel Speedster Operation, Safety, Maintenance Manual page 73

Oil change, oil lter change
Engine oil changes are to be carried out
. . .
depending on time intervals or mileage
intervals. since oil loses its lubrication
. .
properties not only through engine operation
but also through ageing.
Use genuine Opel oil lters.
72
_ Coolant
.e . ' '
Dunng operahon
The temperature may therefore rise to over
o
. 100 C.
The anti-freeze provides excellent corrosion
protection for the cooling and heating system.
as well as freeze protection down to -30 C.
Anti4freeze is a danger to health; it must
therefore be kept in the original container and
out of the reach
t t ' ' t .
he Sys em '3 pressunzed
%
of children.
weather season,
a calibrated
_l'lC¢:_inoefntration by an
-l -antifreeze
--: freeze protection
-.30 °C. An insufficient
__freeze and
arIt_ifreeze if
up with water, have
{checked and more
I I. A-
.._i-. 4