look at the antenna ( usually next to rear mirror, or high up by the windshield, it should indicate a model number, with that go to internet to search, you can find it out an alarm system using same type of transmiter to match it.# C* w, v2 Z+ [
Depends on how many function, one way or 2 ways etc.3 }" m/ L, o. v8 h" x9 n1 f9 D4 G
Do you remember the style and look of the one you lost ?