2023 HONDA CIVIC Owners Manual

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HONDA CIVIC 2023  Owners Manual 815
uuSpecifications u
Information
■
Brake/Clutch* Fluid
■ Continuously Variable Transmission 
Fluid
*
■ Manual Transmi ssion Fluid*
*1: Models with auto idle stop
*2: Models without auto idle s

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HONDA CIVIC 2023  Owners Manual 816
Information
Identification Numbers
Vehicle Identification Number (VIN), Engine Number, 
and Transmission Number
Your vehicle has a 17-digit vehicle identification number (V IN) used to register yo

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HONDA CIVIC 2023  Owners Manual 817
uuIdentification Numbers uVehicle Identification Number (VIN), Engine Number, and Transmission Number
Information
2.0 L engine models without Auto Idle Stop
Engine Number Vehicle Identification Nu

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HONDA CIVIC 2023  Owners Manual 818
Information
Devices that Emit Radio Waves
Each radio frequency device installed in the vehicle conforms to the requirements 
and standards of the regulation listed below:
As required by the FCC:
T

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HONDA CIVIC 2023  Owners Manual 819
Information
Reporting Safety Defects
In the U.S.
If you believe that your vehicle has a defect which could cause a crash or could cause injury or death, you 
should immediately inform the National

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HONDA CIVIC 2023  Owners Manual 820
Information
Emissions Testing
Testing of Readiness Codes
Your vehicle has readiness code as part of the onboard self diagnostic system.
Some states use these codes for testing to verify whether yo

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HONDA CIVIC 2023  Owners Manual 821
uuEmissions Testing uTesting of Readiness Codes
Continued
Information
7. Select a nearby, lightly trav eled major highway where you can maintain a speed 
of 50 to 60 mph (80 to 97 km/h) for at  le

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HONDA CIVIC 2023  Owners Manual 822
uuEmissions Testing uTesting of Readiness Codes
Information
8. Select a nearby, lightly traveled major  highway where you can maintain a speed 
of 50 to 60 mph (80 to 97 km/h) for at least 20 minu