Civic L4-1.8L CNG (2008)
9. Pour Honda Long Life Antifreeze/Coolant Type 2 into the radiator up to the base of the filler neck.
10. Loosely install the radiator cap.
11. Start the engine, and let it run until it warms up (the radiator fan comes on at least twice).
12. If the maintenance minder indicated to replace the engine coolant, reset the maintenance minder, then go to step 20. If the maintenance minder did
not indicate to replace the engine coolant, go to step 13.
13. Connect the HDS to the data link connector (DLC).