RADIATOR CLEANER • Cleans inside wall of radiator from rust, scale, clogging dirt, makes fluent water circulation • Will not damage metal, aluminum, and rubber • Recommendation: regular use of RAD-FLUSH every 6 -12 months will help cooling system works maximally, then fill with RAD-COOL according to usage instructions How to use: 1. Flush radiator. Fill with clean water is which already mixed with RAD FLUSH 3. Turn on engine and let idle for 5 minutes until normal operations. 4. Turn engine off, drain radiator, fill with clean water for flushing. 5. Turn on engine & let idle for 5 minutes for water to circulate 6. Drain radiator and tighten drain plug. Radiator is now ready to be filled with RAD-COOL in accordance with at recommended radiator capacity