Download 2016 Honda Fit Engine Block Heater Installation Instructions – 1. Disconnect the negative cable from the battery. 2. Allow the engine and all cooling system components to cool down. 3. Place the vehicle on a hoist and raise the vehicle off the ground. 4. Place a clean drain pan under the radiator drain plug, then remove the drain plug from the bottom of the radiator to drain the coolant. Remove the radiator cap to increase the flow. 5. Drain the coolant completely, then reinstall the radiator cap. 6. Remove the front bumper: • Attach tape to the areas shown on each side. • Remove the grille cover. • Remove the intake air guide. • Remove six self-tapping screws and eight clips. • Release four retaining tabs on each side. • With the help of an assistant, release one retaining tab on each side. • Remove the front bumper, and unplug the vehicle connectors. Place the front bumper on the blanket to prevent damage. 7. Remove the engine under cover. 8. Using a tape measure, mark the heater harness at the measurements A, B, C, and D. 9. Install one wire tie with clip on the heater harness at the white mark (point C). 10. Locate and remove the drain bolt and washer. Coolant remaining in the engine jackets flows out of the hole when the drain bolt is removed.