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. ' Y- U( B) z$ Z# D: y: E( ZDepends on how many function, one way or 2 ways etc.1 c- ?* ^! d( ^. |, ?: Z
Do you remember the style and look of the one you lost ?