Frequent short trips prevent the engine from reaching the heat needed for automatic cleaning.

Put the truck in Park (P) and keep the engine idling.

NEVER perform a manual regeneration inside a garage or enclosed shop due to carbon monoxide and fire risks.

Low-quality diesel can clog injectors and increase soot buildup. 🔍 Critical Safety Warnings

Used when the filter is very full (typically 90% or higher ) and automatic cleaning hasn't happened. 2. How to Start a Manual Regeneration

If your DIC displays a message like "Exhaust Cleaning Available" or "Exhaust Filter Full":