TPMS Warning light - Page 2 - Kia Forum
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#11 (permalink) Old 12-23-2012, 11:24 AM
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#12 (permalink) Old 12-23-2012, 07:47 PM
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Originally Posted by spongebob218 View Post
Recommended pressure is actually 33psi, cold. The TPMS system must see at least 33psi to clear the warning light. Try setting the pressure to 35psi in all the tires and see if the light goes out. Maybe your gauge is slightly off.

Also, does the light flash for a minute when you start the car up and then stay on, or does it come on solid initially. If it flashes first, it means there is a fault and a code is stored. If it doesn't flash, then it just indicates low tire pressure.
Great answer, particularly about a possible high-reading gauge combined with the mistake on the recommended pressure resulting in not enough pressure in the tire to turn off the warning.

OP, you thought cold weather MIGHT have affected pressure - it definitely does. You have to check your pressures weekly even when the low temps are about the same every night because all tires leak a little. When the low is 10 degrees lower than the previous low, you have to check them again.
Always check tire pressure first thing in the morning before the sun hits the tires.

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#13 (permalink) Old 12-25-2012, 02:21 PM
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OOpppps! I thought I read the recommeded PSI to be at 32 and I think I need a better tire pressure gauge. Thanks to anyone who actually took the time to reply with answer that would help solve the issue with the TPMS warning light.
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#14 (permalink) Old 12-25-2012, 08:39 PM
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Originally Posted by TechnoSX View Post
Also don't forget the spare, it has a sensor as well.
I am glad you mentioned this. Even though my Kia apparently does not have a TPMS, my other car might and now I know I should check there if this ever happens.

Also, when checking pressure, keep in mind the gauges can be way off. I have four guages and they are all different. The most expensive Accugauge one is off the most - I think...

Does anyone have any tips for calibrating a tire pressure guage?
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