2020 Honda Clarity Plug-In HybridFACTORY OEM SERVICE PROCEDURE

Maintenance Main Items(KA)

If the message "Maintenance Due Now" does not appear for more than 12 months after the display is reset, change the engine oil every year.
NOTE:  Adjust the valves during services A, 0, 1, 2, or 3 if they are noisy.
Symbol Maintenance Main Items
A Replace engine oil and oil filter
  • -

    Engine oil capacity without oil filter: 3.1 L (3.3 US qt)

  • -

    Engine oil capacity with oil filter: 3.3 L (3.5 US qt)
0 Inspect front and rear brakes
  • Check pads and discs for wear (thickness), damage, and cracks.
  • Check calipers for damage, leaks, and tightness of mounting bolts.
Check expiry date for the temporary tire repair kit bottle
Inspect tie-rod ends, steering gearbox, and boots
  • Check steering linkage.
  • Check boots for damage and leaking grease.
Inspect suspension components
  • Check bolts for tightness.
  • Check condition of ball joint boots for deterioration and damage.
Inspect driveshaft boots
  • -

    Check boots for cracks and boot bands for tightness.
Inspect brake hoses and lines including VSA lines
  • -

    Check tandem motor cylinder, electric servo brake control unit/pedal feel simulator and VSA modulator-control unit for damage and leakage.
Inspect all fluid levels and condition of fluids
Inspect exhaust system
  • -

    Check catalytic converter heat shields, exhaust pipes, and muffler for damage, leaks, and tightness.
Inspect fuel lines and connections
  • -

    Check for loose connections, cracks, and deterioration; retighten loose connections and replace damaged parts.
Inspect rear subframe rear stay
  • Check for damage.
Inspect under body battery cover (front floor undercover , middle floor undercover )
  • If the undercover(s) has damages, such as a hole, inspect the bottom of the IPU case for damages.
NOTE:  According to state and federal regulations, failure to do the maintenance items marked with an asterisk ( ) will not void the client's emissions warranties. However, Honda recommends that all maintenance services be done at the recommended interval, to ensure long-term reliability.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.