2021 HONDA INSIGHT engine

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Page 578 of 687

HONDA INSIGHT 2021  Owners Manual (in English) 576
uuMaintenance Under the Hood uAdding Engine Oil
Maintenance
Adding Engine Oil
1. Unscrew and remove the engine oil fill cap.
2. Add oil slowly.
3. Reinstall the engine oil fill cap, and tighten 
i

Page 579 of 687

HONDA INSIGHT 2021  Owners Manual (in English) 577
uuMaintenance Under the Hood uChanging the Engine Oil and Oil Filter
Continued
Maintenance
Changing the Engine  Oil and Oil Filter
You must change the engine oil and oil fi lter regularly in order

Page 580 of 687

HONDA INSIGHT 2021  Owners Manual (in English) uuMaintenance Under the Hood uChanging the Engine Oil and Oil Filter
578
Maintenance
5. Remove the oil filter and dispose of the 
remaining oil.
6. Check that the filter ga sket is not stuck to 
the e

Page 581 of 687

HONDA INSIGHT 2021  Owners Manual (in English) 579
uuMaintenance Under the Hood uCooling System
Continued
Maintenance
Cooling System
This coolant is premixed with 50% an tifreeze and 50% water. Do not add any 
straight antifreeze or water.
We reco

Page 582 of 687

HONDA INSIGHT 2021  Owners Manual (in English) uuMaintenance Under the Hood uCooling System
580
Maintenance
1. Make sure the engine and radiator are 
cool.
2. Turn the radiator cap 1/8 turn counter-
clockwise and relieve  any pressure in the 
cool

Page 583 of 687

HONDA INSIGHT 2021  Owners Manual (in English) 581
uuMaintenance Under the Hood uInverter Coolant
Maintenance
Inverter Coolant
This coolant is premixed with 50% an tifreeze and 50% water. Do not add any 
straight antifreeze or water.
We recommend

Page 586 of 687

HONDA INSIGHT 2021  Owners Manual (in English) 584
uuMaintenance Under the Hood uRefilling Window Washer Fluid
Maintenance
Refilling Window  Washer Fluid
Open the cap and check the amo unt of window washer fluid.
If the level is low, fill the wash

Page 606 of 687

HONDA INSIGHT 2021  Owners Manual (in English) 604
Maintenance
Climate Control System Maintenance
Air Conditioning
To ensure proper and safe operation, th e Society of Automotive Engineers (SAE 
J2845) recommends that the refrigerant sy stem only