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. Adjusting the Front Head Restraints
Front head restraints are most effective for
protection against whiplash and other rearimpact
crash injuries when the center of the
back of the occupant’s head rests against the
center of the restraint. The tops of the
occupant’s ears should be level with the
center height of the restr ...