Ford Probe Owner's Manual page 221

2.0L Engine
1. Before you remove the cap, turn the engine
off and let it cool. Even when the engine is
cool, be careful when you remove the
radiator cap.
2. When the engine is cool, wrap a thick cloth
around the cap and turn it slowly
counterclockwise to the first stop.
3. Step back while the pressure releases.
4. When you are sure that all the pressure has
been released, use the cloth to turn and
remove cap.
5. Stand away from the radiator opening. Hot
steam may blow out or hot engine coolant
may even splash out.
Failure to follow these instructions could
result in serious personal injury from hot
engine coolant or steam blowout and/or
damage to the engine cooling system or
engine.
Ford Premium Cooling System Fluid is an
optimized formula that will protect all metals
and rubber elastomers used in Ford engines for
four years or 50,000 miles (80,000 km). It is not
necessary and not recommended to use
supplemental coolant additives in your vehicle.
These additives may harm your engine cooling
system. Follow the recommended service interval
for changing your engine coolant.
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