What coolant is best?
What color coolant should I added my vehicle? I recommend that you only add that is already in your vehicle now. GM vehicles use a orange color in their coolant. This coolant is called Dexcool. Honda uses a blue coolant and Toyota uses a red coolant. Prestone, Peak, Valvoline & Zerex all make coolant for Asian, European and Domestic vehicles. All of these coolant types are specific for certain auto makes. If you add the wrong coolant to some of these vehicles the coolant will not mix and clog your coolant system. A clogged coolant system can cause your vehicle to overheat and possibly damaged engine.