Our 2015 Lincoln Navigator suddenly down shifts when driving which is a significant safety issue. Ford knows of the defects with the transmission in this model. They have issued recalls for the same transmission in other models, just not yet in the Navigator. They do not want to damage reputation to there Lincoln/Navigator line. Long Lewis Ford Dealership in Muscle Shoals, AL, has inspected it and verified that the "molded lead frame" is defective and must be replaced in order for the vehicle to be road worthy. They are telling us to replace it along with other internal components that are defective. Please help protect the public by forcing them to issue a recall immediately for the models that have transmissions with such defects just as they have done for this transmission in other models.

- Rogersville , AL, USA

When in park, vehicle fails to stay parked in some instances. For example, SUV has rolled forward (while in park): when parking on an incline or while unloading items from trunk, resting against bumper caused it to roll ahead and hit closed garage door in the garage, or when leaning on the SUV body outside vehicle it can disengage from park and start moving while shifter stays in P position. Emergency break stops movement. We started noticing the issue Jan 2022 and took it to Lincoln for service on 02/25/22 to investigate (after multiple accounts, same concern). They found no recognizable problem, stating vehicle might not have been in park to begin with. No parts were removed; only a visual & functional assessment. Paid an inspection bill with no resolution to safety concern. However, it re-occurred on 4/2/22. Because the concern is intermittent and cannot be replicated on demand it-??s harder to predict when SUV will move. Using the emergency parking break as a safety back-up for now. Vehicle is available for further inspection. To date, no major damage caused. Yet, forgetting the manual break could result in a terrible situation at any time. All instances of rolling away have occurred after driver exited the vehicle. Level parking surfaces are not always available. Probably unrelated to the safety issue, there are strange electric bugs. Radio will turn on randomly while driving; tailgate will open on its own when SUV is parked. However, no warning messages have displayed for any of the safety or electrical issues described.

- Marshall, MN, USA

A few months ago, around 65,000 miles, I was driving on the highway when I noticed a loss of power as I was trying to accelerate. At that same time, the check engine icon started flashing. I was unable to accelerate until the check engine icon stopped flashing. Everything went back to normal and I didn't experience this problem again for a couple of months. This would occasionally happen whenever I'd try to overtake another car on the highway. These days at 78,000 miles, the vehicle intermittently runs rough.

- Atlanta, GA, USA

While driving on a busy road the vehicle lost all power. There were 3 children in car seats at the time. The vehicle was taken to the dealer for diagnostic test and repair. A few days later the vehicle lost power again, while driving on a very busy road. This was a very dangerous situation. It was returned to dealer, this time they replaced the throttle body. This happened on May 10th, and May 22nd, 2018. Also side monitor stopped working.

- Spring Valley, CA, USA