NHTSA·Commercial vehicles·October 5, 2026

MCI recalls 683 coach buses over hazard light indicator that may not light up

On some buses, the dashboard reminder light may stay off when the hazard lights are on and the master run switch is off, so a driver may not notice them and other drivers could be confused, raising crash risk.

What to do

MCI will update the software for free, and owners will get letters in the mail expected on November 24, 2026. Owners can call MCI customer service at 1-800-241-2947.

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Recall details

Product
Mci D4020istv, D4520, D45crte and 4 more 2018–2026
Hazard
Without the illuminated reminder, the driver may fail to turn off the exterior lights when no longer needed. Hazard warning lights that remain activated unintentionally can confuse other drivers, increasing the risk of a crash.
Units
683 vehicles
Reported to NHTSA
October 5, 2026
Identifiers
  • NHTSA campaign number: 26V645000
  • Model years: 2018–2026

The headline, summary and steps above are written in plain English from the official notice below. Identifiers are copied exactly as the agency published them. Always check the official notice before you act.

Official notice

The notice's own wording from NHTSA.

Component
EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
Defect
Motor Coach Industries (MCI) is recalling certain 2018-2026 buses. Please see the complete list of models above. The instrument panel indicator light may not illuminate when the hazard warning lights are on and the master run switch is in the 'Off' position. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 108, "Lamps, Reflective Devices, and Associated Equipment."
Consequence
Without the illuminated reminder, the driver may fail to turn off the exterior lights when no longer needed. Hazard warning lights that remain activated unintentionally can confuse other drivers, increasing the risk of a crash.
Corrective action
MCI will update the software, free of charge. Owner notification letters are expected to be mailed November 24, 2026. Owners may contact MCI customer service at 1-800-241-2947.

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