2. Aftertreatment Lamps- Level 1 DPF Lamp On solid at Level 1 soot loading Label says : “Exhaust filter regeneration required.” “Drive on highway at highway speeds OR start Parked Regeneration to prevent loss of engine power.”

3. Aftertreatment Lamps- Level 2 DPF Lamp Flashes at Level 2 soot loading Label says: “Exhaust filter full” “Pull vehicle safely off roadway and start Parked Regeneration to prevent loss of engine power.”

4. Aftertreatment Lamps- Level 3 Amber Warning Lamp is on Audible alarm is on Warn Engine text on LCD DPF Lamp Flashes Label says: “Exhaust filter full. Engine performance LIMITED.” “Pull vehicle safely off roadway and start Parked Regeneration to prevent engine stopping.”

5. Aftertreatment Lamps- Level 4 DPF Lamp is off If not preceded by level 1, 2, & 3 warnings, it is on for an engine issue other than DPF plugging Audible alarm is on Label says: “A serious engine problem has occurred. Exhaust filter may be overfull. Engine may SHUTDOWN soon.” “Pull vehicle safely off roadway, turn on flashers, place warning devices STOP ENGINE. Seek service immediately. Stop Engine Lamp is on

6. Other emission-related faults Will turn on if DPF sensor faults are detected – or for other emission-related faults Fault codes will be present Lamp will not flash May still step through DPF levels with the appropriate warnings Attempting to perform a stationary regeneration will not change lamp status Malfunction Indicator Lamp (MIL) is on

7. HEST Lamp Turns on if exhaust temps exceed 400˚ C and vehicle speed is less than 5 MPH Turns off when exhaust is below 370˚ C High temperatures could be due to passive or active regen. Label says: “Exhaust components and exhaust gas are at extremely high temperatures. When stationary, keep away from people and flammable materials, vapors, or structures or STOP ENGINE. High exhaust system temperature (HEST) Lamp

8. Decreasing Soot Load Driver Interface – Parked Regen Pre-Set Conditions - Parking Brake Set - Transmission in Neutral or Park Desired Response - Push PARKD REGEN switch - Driver goes “Hands-Off” No accelerator pedal input No brake pedal input No clutch pedal input - Engine ECU takes control See_Visor For_Info

9. Medium Duty Product Emission Visor Decal