If you have an '08 ISF, you have TPM. At least you do if you still have stock wheels, or have moved on to third party wheels and moved your tire valves (which are the TPM sensors) If the sensors weren't there, you would have an indication of a malfunction (low tire pressure) on the dash. That is if you are in US or Canada. With your spelling of tire, I would guess you might be in Canada?
Lou
Lou