Do not modify your vehicle in a manner that may affect its handling, stability, or reliability, or install non-genuine Honda parts or accessories that may have a similar effect.
Even minor modifications to vehicle systems can affect overall vehicle performance.
Always make sure all equipment is properly installed and maintained, and do not make any modification to your vehicle or its systems that might cause your vehicle to no longer meet federal, state, province, territory, and local regulations.
Do not modify or attempt to repair any of the electrical components.
AccessoriesHonda Civic Owners Manual. If the Malfunction Indicator Lamp Comes
On or Blinks
Reasons for the indicator lamp to come on or blink
Comes on when there is a problem with the engine emissions control
system.
Blinks when engine misfiring is detected.
What to do when the indicator lamp comes on
Avoid high speeds and immediately get your vehicle inspe ...