See also:

Kia Magentis Owners Manual
...

Engine coolant
The high-pressure cooling system has a reservoir filled with year-round antifreeze coolant. The reservoir is filled at the factory. Check the antifreeze protection and coolant level at least once ...

Brake system
Power brakes Your vehicle has power-assisted brakes that adjust automatically through normal usage. In the event that the power-assisted brakes lose power because of a stalled engine or some oth ...