If you are just topping off, the all makes all models formula is designed to provide the properties and change over intervals of the existing formula, be it one that offers 60,000 km of protection, 150,000 km of protection or 250,000 km of protection.
Of course, motorists should always check their owner's manual to ensure they are following the manufacturer's recommendations on the appropriate flush and fill maintenance procedures for their vehicle. For more antifreeze maintenance tips and 'how-to' videos, visit www.prestone.com.