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Old 10-30-2009 | 10:59 AM
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It came on this morning and reported tires have low pressure.
I walked around the car the checked the tires visually. They looked fine to me.
So I went to idrive menu and found out all 4 tires are in yellow color. O.o

After driving for a few miles, I reset the TPMS and the warning goes away.

Anyone had this experience b4?
What is the min. PSI to trigger a warning?
Old 10-30-2009 | 11:02 AM
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you should definitely make sure you have the proper psi and reset the TPMS after that. if it triggers it again in a week or so, you definitely have a problem.

michael

Originally Posted by edkwok99' post='1043763' date='Oct 30 2009, 11:59 AM
It came on this morning and reported tires have low pressure.
I walked around the car the checked the tires visually. They looked fine to me.
So I went to idrive menu and found out all 4 tires are in yellow color. O.o

After driving for a few miles, I reset the TPMS and the warning goes away.

Anyone had this experience b4?
What is the min. PSI to trigger a warning?
Old 10-30-2009 | 11:25 AM
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Originally Posted by acuteperformance' post='1043767' date='Oct 30 2009, 03:02 PM
you should definitely make sure you have the proper psi and reset the TPMS after that. if it triggers it again in a week or so, you definitely have a problem.

michael
+1....resetting the TPMS doesn't mean you've solved anything. That just resets your baseline. Pump them all to where they need to be and reset it again!
Old 10-30-2009 | 11:50 AM
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Originally Posted by edkwok99' post='1043763' date='Oct 30 2009, 11:59 AM
It came on this morning and reported tires have low pressure.
I walked around the car the checked the tires visually. They looked fine to me.
So I went to idrive menu and found out all 4 tires are in yellow color. O.o

After driving for a few miles, I reset the TPMS and the warning goes away.

Anyone had this experience b4?
What is the min. PSI to trigger a warning?
I'm guessing that the tires were cold after sitting all night and after a short drive they have warmed up enough where the TPMS sees them as fine!
Old 10-30-2009 | 12:51 PM
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Originally Posted by flyingpuck' post='1043784' date='Oct 30 2009, 12:50 PM
I'm guessing that the tires were cold after sitting all night and after a short drive they have warmed up enough where the TPMS sees them as fine!
That might be the reason.
I rarely park my car on driveway; it is usually in the garage.
But it was on driveway last night with 45F outside over the night.
Old 10-30-2009 | 01:10 PM
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you should still check them to make sure they have the proper psi!

Originally Posted by edkwok99' post='1043818' date='Oct 30 2009, 01:51 PM
That might be the reason.
I rarely park my car on driveway; it is usually in the garage.
But it was on driveway last night with 45F outside over the night.
Old 10-30-2009 | 01:21 PM
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This may sound like a stupid question,
Do you have Runflats?

If you do a Visual inspection for a flat after the TPSM goes off , you will always result in not having a flat unless you shred a tire.

You need to check the PSI out on the tires and see if you have a low one.

If you don't have a Runflats... a 2-3 psi difference could set it off from the memory setting. A really cold morning when it's been hot could do it.
Old 10-30-2009 | 01:21 PM
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Originally Posted by acuteperformance' post='1043830' date='Oct 30 2009, 02:10 PM
you should still check them to make sure they have the proper psi!
+1 Better safe than sorry!
Old 10-30-2009 | 07:43 PM
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Originally Posted by acuteperformance' post='1043830' date='Oct 30 2009, 04:10 PM
you should still check them to make sure they have the proper psi!
If you do not have a gauge, a baseball bat will work--a la truck drivers.

Pretend you are thumping watermelons.
Old 10-31-2009 | 09:54 AM
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I don't have runflat.

I checked the pressure the same day in the afternoon. It was 38psi front and 40psi rear.
I pumped them back up to 40psi front 42psi rear.

It must be the cold weather over the night!


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