My new ST has about 1200 miles on it. The auto stop has ceased working correctly. Sometimes it does not come on at all at a stop, other times when it does come it, it shuts off before I touch brake/accelerator. I kind of have mixed feelings about this. I know some here have paid real money to get the damn thing not to engage. And I am not a big fan of this feature either. Should I go back to the dealer or be happy I got a "fix" for free?
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Auto Stop
- Thread starter Wingrider
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- '20 Raptor, '22 Explorer ST, '14 GT500, '03 F150
I've got about the same mileage as you do on my 2025 ST and have noticed variability in how the auto stop works when I forget to manually disable it. If I ease on the brakes coming to a stop it doesn't seem to engage auto stop vs. a more vigorous braking episode. If mine stopped working completely tomorrow I'd be just fine with it. You've got plenty of warranty time to get it repaired.
- Messages
- 1,880
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- Points
- 162
- Location
- Nevada
- Vehicle
- '20 Raptor, '22 Explorer ST, '14 GT500, '03 F150
You might review (Owner's Manual) Page 190...
AUTO-START-STOP – FREQUENTLY ASKED QUESTIONS
Why does the engine not always stop when I expect it to?
The system is designed to work in a way that complements other vehicle systems, allowing them to operate at optimum performance. The system does not stop the engine if:
• The driver door is open.
• Your vehicle is at high altitude.
• The heated windshield is on.
• The engine is warming up.
• The outside temperature is too low or too high.
• The battery charge is low.
• The battery temperature is outside the optimal operating range.
• The engine is required to run to maintain interior climate and reduce fogging.
Why does the engine sometimes restart when I do not expect it to?
The system is designed to work in a way that complements other vehicle systems, allowing them to operate at optimum performance.
The system restarts the engine if:
• You switch the heated windshield on.
• You switch maximum defrost on.
• Your vehicle starts to roll downhill in neutral.
• The engine is required to run to maintain adequate brake system assistance.
• The engine is required to run to maintain interior climate and reduce fogging.
AUTO-START-STOP – FREQUENTLY ASKED QUESTIONS
Why does the engine not always stop when I expect it to?
The system is designed to work in a way that complements other vehicle systems, allowing them to operate at optimum performance. The system does not stop the engine if:
• The driver door is open.
• Your vehicle is at high altitude.
• The heated windshield is on.
• The engine is warming up.
• The outside temperature is too low or too high.
• The battery charge is low.
• The battery temperature is outside the optimal operating range.
• The engine is required to run to maintain interior climate and reduce fogging.
Why does the engine sometimes restart when I do not expect it to?
The system is designed to work in a way that complements other vehicle systems, allowing them to operate at optimum performance.
The system restarts the engine if:
• You switch the heated windshield on.
• You switch maximum defrost on.
• Your vehicle starts to roll downhill in neutral.
• The engine is required to run to maintain adequate brake system assistance.
• The engine is required to run to maintain interior climate and reduce fogging.
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