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Extreme cold issues

Messages
25
Reactions
17
Points
2
Location
Moose Jaw, SK, Canada
#1
Hi everyone,

The temperature here was -25F last night and I noticed that my factory remote start (via key FOB) would not start my '21 ST. Even with me standing right in front of the vehicle. The lights would come on but then shut off again and the key fob would just blink red, there was no attempt to turn over the engine. The ford app on my phone also failed to start the vehicle, but it does that about 50% of the time anyways (the icon just spins and spins and never goes anywhere). I got in and the engine started easily on the first try. Later when I got home and had the vehicle in my heated garage (45F) for an hour I tried my remote start by FOB again and it worked fine...

On my drive home I was on dark highway and I noticed that my auto highbeams were also not working. I could manually trigger the highbeams, but the auto function wasn't working at all.

Have any of you had similar problems, or any other issues with your vehicle when the temperature is very cold?

I did make some edits using FORSCAN yesterday, so i'm also wondering if these might have had an impact? I enabled bambi mode, allow rear turn signal LED, disabled fake engine noise (set value to 9 instead of 0), and enabled navigation in motion.

Thanks for anyone's thoughts!
 

CapTom

Member
U.S. Army Veteran
Firefighter/EMT
Messages
236
Reactions
204
Points
37
Location
Anderson, SC, USA
Vehicle
2020 Explorer ST
#2
My auto high beams take a vacation every so often. They usually start working again all by themselves. Do you know you can turn the auto function on and off with the high beam stalk? Push or pull it and look for the "auto" icon with the other light icons.
 

OP
H
Messages
25
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17
Points
2
Location
Moose Jaw, SK, Canada
Thread Starter #3
Thanks for the tip CapTom, I didn't know that. I'll definitely try that and see if it was the issue!
 

CapTom

Member
U.S. Army Veteran
Firefighter/EMT
Messages
236
Reactions
204
Points
37
Location
Anderson, SC, USA
Vehicle
2020 Explorer ST
#4
I haven't seen it in the book anywhere, but using the stalk switches the "auto" icon on and off. Now, how did you activate navigation in motion?
 

OP
H
Messages
25
Reactions
17
Points
2
Location
Moose Jaw, SK, Canada
Thread Starter #5
I activated Nav in motion by using Forscan. In the APIM section "as built" 7D0-02-01, I changed the first four digits so they read x7xx. I found this in one of the threads on this forum on Forscan. It worked when I made the change.
 

Dave G ST

Member
U.S. Army Veteran
Messages
104
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Location
Hurlock, MD, USA
#6
My wife has informed me that our ST's screen(we have tech package) does not work on cold mornings.
 

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