2020 HONDA PASSPORT fuel additives

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Page 556 of 667

HONDA PASSPORT 2020  Owners Manual (in English) 554
Driving
Refueling
Fuel Information
■Fuel recommendation
Use of a lower octane gasoline can cause a persistent, heavy metallic knocking noise 
that can lead to engine damage.
■Top tier detergen

Page 574 of 667

HONDA PASSPORT 2020  Owners Manual (in English) 572
uuMaintenance Under the Hood uRecommended Engine Oil
Maintenance
Recommended Engine Oil
Use a genuine engine oil or another commercial engine oil of suitable type and 
viscosity (for the ambient t

Page 579 of 667

HONDA PASSPORT 2020  Owners Manual (in English) 577
uuMaintenance Under the Hood uEngine Coolant
Continued
Maintenance
Engine Coolant
This coolant is premixed with 50% an tifreeze and 50% water. Do not add any 
straight antifreeze or water.
We reco