Adding CoolantIf you need more coolant, add the properDEX-COOL® coolant mixture at the surge tank,but only when the engine is cool.{CAUTION:You can be burned if you spill coolanton hot engine parts. Coolant containsethylene glycol, and it will burn if theengine parts are hot enough. Do not spillcoolant on a hot engine.When replacing the pressure cap, make sure it ishand-tight and fully seated.Coolant Surge Tank Pressure CapNotice: If the pressure cap is not tightlyinstalled, coolant loss and possible enginedamage may occur. Be sure the cap is properlyand tightly secured.The coolant surge tank pressure cap must be fullyinstalled on the coolant surge tank. See EngineCompartment Overview on page 342 for moreinformation on location.Engine OverheatingThere are two engine hot messages that may bedisplayed in the Driver Information Center(DIC). See DIC Warnings and Messages onpage 228 for more information.360