I tried clicking on the link you gave but it came up blank. Do you have another link to share? I'm trying to change my PTU oil. Wondering if the Mercon LV is ok to use?

Just to update: I used the product listed above and everything is working smoothly and nicely, and has been for months now.  I actually try to apply a little bit every time I detail the car, which is about every couple months, basically I added it as a regular maintenance task. And also use it on the seat mechanisms to keep them operating well. 

You are so awesome, @fusionffthank you!!! 😄   Wow, thank you so much, I can't tell you how much I appreciate it. I'm ordering the replacement parts this week and I'll update you when I get them in place. 

Hi DRM and welcome to the Lincoln MKZ Forum. The answer is a qualified yes. According to what method we use to lock the vehicle, it can be "normal". For example, we can lock our vehicles with the keys inside if we simultaneously press the 7/8 and 9/0 keypads. This is explained in the Owners Manual. How did you lock the vehicle?   Good luck. 

Recently I inadvertently locked my key fob in my 2014 MKZ.  How it happened: I opened the trunk lid with the button on the dash.  Got out of the car and locked the doors with the key fob inside. The car did not signal via the horn or automatically unlock the doors (smart unlock).  I was eventually able to unlock via the keypad on the door.  Is it normal that the trunk being open disables the smart unlock feature? Seems odd.

https://a.co/d/6GslUqU   This is the part you need in the link above. Fuel injector pressure sensor. Autozone has the incorrect part listed for this fit. Get it on Amazon. $16 part at the time of this post. You just need the correct size long socket to fit over it. Done. Plug n play. My stalling issues went away. 2014 lincoln MKZ 2.0L. I've had the vehicle since Sep of 2017 and it's great. ABSOLUTELY TRY THIS FIRST! Good luck. 

My car is don't this currently. It also did it for a few weeks amour 2 months ago, but then it just stopped. It started back up doing it today. So I need to do anything? Or not do anything? Is there a fix for it?

Hi, Mine does the same thing. 2018. Brought into Ford dealership and they said it's normal. I asked if they have checked the transmission fluid though it's a sealed case, I have read online that being a 1/4qt low it can cause these issues. They said they checked it and say it's full. 2nd time me bringing it in for the same reason. We have a 2018 Ford truck that was having similar issues and adding a little bit of transmission fluid actually helped. But, none the less, the dealership did not fix it and so I will be getting it back again with the issues still existing. I have 40k miles on this car and noticed it originally at 30k. Mines most noticeable from 1st to 2nd gear. 

My husband and I are on our way to look at a 2011 hybrid MKZ!  We've done a ton of research and appreciate this forum!  I was concerned with the hybrid battery being 14 years old but I'm feeling better after reading up on so many positive experiences.  At this point, hubby is more concerned with the lack of horsepower 😅

I want black wheels on mine as well but don’t want aftermarket.