Is there a reset for car alarms after changing the remotes battery?

my son changed batteries for his remote keyless entry and now we cannot get the car to unlock for his %26#039;03 tiburon. is there a reset or something?|||Yes, all alarms have a reset. They also all have different methods and locations to reset. If you have the owners manual, it would be ideal. If not... go to a stereo/alarm installer to reset it for you.|||Check out Keyless ride.com for details dealers will charge you 50-100 just to restet the alarm, when the average person can do it in about 10 seconds