keyless entry help

I have a 96 cherokee. I believe the silencer alarm is not allowing me to start it. I believe I hit the switch under the steering wheel above the petals with my foot on getting out of the car. I have no remotes. How to over ride this so I can start me car. I believe this happened to me a few years ago, but I can't not remember what I did to start it.
Help please???
M