DIC 2001 Le Sabre

I recently checked my tire pressure and equalled all tire pressures at 33 psi,shortly thereafter my dic gave the message (check tire pressure). I reset the message and rechecked the pressure,now every time I start the car and before I move the message comes on and has to be reset. It does not come on while driving,any idea why?

Was the car driven before you set the tires to 33 psi, or was it sitting the sun? If so, it may be lower on a cool morning before driving, which could cause the "check tire pressure' message.

No,it probably set it off and I didn't reset it in the right manner.I was talking to a guy and he suggested to look in the owners manual (something I don't normally do) and I was doing it wrong,so when I did it correctly it reset and works good ,thank's for the help.