Exit roadway. To safely park the vehicle, firmly apply the parking brake while fully depressing the brake pedal, and place the gearshift lever in the “P” position.

TURN THE IGNITION OFF FOR 2 MINUTES. THEN, RESTART ENGINE. TURNING THE KEY TO THE “OFF” POSITION WILL RESET THE DEF SYSTEM.

IS THE DEF WARNING LAMP STILL ON?

CONTINUE DRIVING FOR 10 – 15 MINUTES. IF THE PROBLEM IS INTERMITTENT, THE DEF WARNING LAMP MAY GO OUT.

NOTE: ENGINE POWER IS REDUCED BY 25%. GO TO AN AUTHORIZED DEALER AS SOON AS POSSIBLE.

IS THE VEHICLE RESTRICTED TO 5 MPH?

Exit roadway. To safely park the vehicle, firmly apply the parking brake while fully depressing the brake pedal, and place the gearshift lever in the “P” position.

IS THE DEF WARNING LAMP STILL ON?

TURN IGNITION OFF.
CHECK ENGINE OIL LEVEL.

ENGINE OIL LEVEL MUST BE BETWEEN HIGH AND LOW MARK ON DIPSTICK TO PROCEED.

IS ENGINE OIL LEVEL BETWEEN HIGH AND LOW MARK ON DIPSTICK?

INITIATE MANUAL REGENERATION

PRESS AND HOLD DPF CLEANING SWITCH FOR 2 SECONDS. MANUAL REGENERATION WILL TAKE APPROXIMATELY 30 MINUTES.

LEARN MORE ABOUT DEF WARNING LAMP ILLUMINATION.

IF THESE CONDITIONS EXIST:

• DEF WARNING LAMP IS ILLUMINATED RED
• DEF WARNING LAMP IS BLINKING
• WARNING BUZZER SOUNDS LOUDLY

ENGINE POWER IS REDUCED SEVERELY TO PROTECT ENGINE. CONTACT AN AUTHORIZED DEALER IMMEDIATELY.

IS THE WARNING BUZZER ON?

NOTE: IF THE DEF SYSTEM FAILURE IS NEW, THE WARNING BUZZER WILL COME ON AFTER ONE HOUR OF ENGINE OPERATION OR 50 MILES/80 KM.

CONTINUE DRIVING

NOTE: ENGINE POWER IS REDUCED BY 50%. GO TO AN AUTHORIZED DEALER AS SOON AS POSSIBLE.