# 2021 LINCOLN NAVIGATOR — BACK OVER PREVENTION: WARNINGS
> NHTSA complaint `2231533` · 2026-08-02 · Ford Motor Company
## Severity
- **Deaths:** 0
- **Injured:** 0
- **Fire:** No
- **Crash:** Yes
- **Police report:** No
- **Medical attention:** No
- **Vehicle towed:** No
## Vehicle
- **Make:** LINCOLN
- **Model:** NAVIGATOR
- **Year:** 2021
- **Manufacturer:** Ford Motor Company
- **Component:** BACK OVER PREVENTION: WARNINGS
- **Speed:** 5 mph
## Narrative
My screen intermittently goes black, I have had it repaired/ updated once prior and it still does this..as a result I backed into a mailbox. It was very dark and I couldn’t see out of my windows.
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*Source: [NHTSA ODI](https://www-odi.nhtsa.dot.gov/downloads/) · MORVS · CC0 1.0*