2021 HONDA INSIGHT Owner's Manual (in English)

Page 577 of 687

HONDA INSIGHT 2021  Owners Manual (in English) 575
uuMaintenance Under the Hood uOil Check
Maintenance
Oil Check
We recommend that you check the engi ne oil level every time you refuel.
Park the vehicle on level ground.
Turn off the power system.

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 584 of 687

HONDA INSIGHT 2021  Owners Manual (in English) 582
uuMaintenance Under the Hood uTransmission Fluid
Maintenance
Transmission Fluid
Have a dealer check the fluid level and replace if necessary.
Do not attempt to check or change  the transmission fl