drain coolant from radiator, remove one of the frost plugs in engine block, install block heater in place of frost plug, refill radiator with coolant.
The block heater cord is on the Engine Block Heater on the 2007 Chevy Optra.
You sell optra, then buy camaro.
optra
I'm not sure what brand of care it is. But if you are asking what brand of car, it is a Chevrolet Optra.
yes
It is Blaupunkt.
Optra Magnum
15 W 40
optra
Optra
TRANSLATE!!
This is often a cracked head gasket between oil passage and a cylinder.