DPF Indicator (Check System)

DPF Indicator (Check System)
When the indicator appears on the multi-information display
, possibly accompanied by the message "CHECK SYSTEM" while the engine is running, it informs the driver that the filter is clogged with particulate matter and must be inspected, repaired, or replaced.
Take the vehicle to a dealer service station immediately.
Continuing to drive under these conditions may cause serious damage to the diesel particulate filter and the exhaust emission control system.
High temperatures are required for the chemical reactions in the catalytic converter with diesel particulate filter to work effectively. Therefore, combustible materials located near or in contact with the converter walls may ignite. Do not park the vehicle on tall dry grass, on ground covered with dry leaves, or on flammable debris.
Test yourself
A quick Honda Civic quiz: every answer comes with an explanation and a link to the manual page.