The factory alarm system won't allow me to start my car
From what I can gather the all Acuras are not the same, so her is something you can try: on the passenger door use the key to lock then unlock the door, if that won't work try the same thing on the drivers door. That is suppose to do it.
Google It 10 steps to reset alarm. How to reset Acura Alarm?easy to do .
Search Acura TL Questions
Acura TL Experts