Hey guys,
I would like to either disarm or fix my factory security alarm system because the key fab does not work all the time. I have replaced the battery and it did not work. When i unlock the doors and drive the truck and then park it and get out and shut the door the alarm will set it self even with the keys in the ignition, and when i open the door the alarm goes off and the key fab doesn't always work. Please Help

Thank you