2018 HONDA CIVIC SEDAN Owner's Manual (in English)

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Information
Devices that Emit Radio Waves
The following products and systems on your vehicle emit radio waves when in 
operation.
Each of the above complies with the appropriate requirements or th

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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 Nati ona

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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

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Information
7. Select a nearby, lightly traveled major hi ghway where you can maintain a speed 
of 50 to 60 mph (80 to 97 km/h) for at least 20 minu

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Warranty Coverages
■U.S. Owners
Your new vehicle is cove red by these warranties:
New Vehicle Limited Warranty –  covers your new vehicle, except for the 
emissions contro

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Information
Replacement Battery Limited Warranty –  provides prorated coverage for a 
replacement battery purchased from your dealer.
Replacement Muffler Life time Limited

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Authorized Manuals
■Service Express
For electronic copies of service publications, you can purchase a subscription to 
Service Express. Visit  www.techinfo.honda.com  for pricing and

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Customer Service Information
Honda dealership personnel are trained professionals who should be able to deal 
with any problems you may encounter with  your vehicle. If, however, you a