Table 1 shows one common forward collision avoidance related problems of the 2021 Lincoln Aviator.
| Problem Category | Number of Problems |
|---|---|
| Adaptive Cruise Control problems |
Driving 75mph. Cruise set to 75mph. Vehicle randomly reset cruising speed to 85 and 105mph or two separate occasions over 4 days. I went through the settings and disabled intelligent cruise control and switched it to adaptive cruise control, which doesn't use radar and navigation data. Only tell will tell if that fixed it. I already had speed sign recognition disabled.
Powertrain malfunctioning. The vehicle has had multiple neutral out (not reacting) when the accelerator is applied. Occurring in the middle of an intersection 3 times. Stuck in the middle of the intersection has resulted in two (2) cases of almost being hit by an oncoming vehicle. Pulling into traffic from a stop sign and losing the accelerator another time resulting in traffic breaking hard to avoid an accident. Recently while in cruise control on the highway driving 79 mph, the vehicle suddenly shifted into what had to be the lowest gear lunging passengers forward and slowing to an unacceptable speed for the highway. Almost initiating being hit from the rear by a tractor trailer and just making it off of the shoulder to safety. This may be the result of service bulletins 22-2145 or ssm 50529. The dealer has stated they cannot reproduce the problems but are aware of the issues and service bulletins have been released. No warning lamps have come on when these issues have occurred. Vehicle has been into dealership multiple times. Service managers had said they are working with Lincoln engineers to remedy the problem. So far a separator plate and a valve has been replaced, which has not resolved the problem this happens intermittently, but when it does it causes what could be a severe safety issue. Currently the vehicle is in the dealership with no remedy, and has went in if for this issue multiple times. This has been going on for the past six (6) months.