Postby smj999smj » Tue Aug 27, 2013 11:54 am
Usually tire pressure will increase up to 4 psi after being driven (compared to the measured cold tire pressure), so the 3 psi change would be normal. The TPMS light will illuminate at around 26 psi, so that's normal, as well. The question is did you check the actual tire pressures with a pressure gauge and compare them to the what the reading was on your tire pressure monitor screen?