Western Star 4900, 5700: Visibility — rear window

Affects Western Star 4900, 5700 · 2016–2020 — about 3K vehicles.

The hazard

If the vent window detaches while the vehicle is in motion, it can become a road hazard, increasing the risk of a crash.

What to do

DTNA will notify owners, and dealers will replace the vent windows, free of charge. DTNA issued owners an interim notification on December 27, 2019. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-836.

Critical — crash/injury risk now High — injury risk; see remedy Moderate — fix at next service Low — minor / informational