Test for it.
All doors must be Closed. Insert key in ignition and QUICKLY (not more than 1 second between positions) move from OFF To RUN (not START) 5 times (for 1996 and 1997 models) or 8 times (1998 to 2007 models). Ending in RUN. If the doors lock and then unlock then you have keyless entry.
Within 20 seconds, press any button on an transmitter, and the doors will lock and then unlock to confirm that each transmitter has been programmed. Repeat this step for each transmitter.
NOTE: If the door locks do not respond for any transmitter, wait several seconds and press the button again.
You can buy remotes on eBay for $15/piece shipped.