CanadaThe 2026 Mack PIONEER medium and heavy‑duty trucks are affected. The automatic high beams may not switch to low beams, which could cause glare for oncoming drivers and increase crash risk; Mack recommends switching manually between low and high beams until repairs are completed and will notify owners by mail to take their vehicle to a dealership to update the vehicle software.
What's being recalled
Visit Transport Canada’s Motor Vehicle Safety Recalls Database for the original recall.
How to identify it
2026 Mack PIONEER
The hazard
Issue:
On certain trucks, the automatic high beams may not switch to low beams automatically. As a result, the trucks may not meet certain requirements of Canadian regulations.
Safety Risk:
High beams that stay on could cause glare for oncoming drivers and increase the risk of a crash.
Corrective Action:
To reduce the safety risk, Mack recommends you switch manually between the low beams and high beams until the recall repairs have been completed. Mack will notify owners by mail and advise you to take your vehicle to a dealership to update the vehicle software.
What to do
Please see corrective actions section below
The official notice
This page is a summary of the notice published by Transport Canada, collected from Health Canada, CFIA and Transport Canada. Check the original before you act on it.
Read the official notice (opens in a new tab)