1999 99 Chrysler 300 Chrysler Keyless Entry Remote - 4 Button Remote Programming: Most remotes take 3-5 minutes to program This device comes with FREE programming instructions and will be included with your purchase. The instructions are quick, easy to follow and take just minutes to complete. They're written so first-timers can do it themselves without the time, hassle, and expense of committing to a dealership service appointment. The manufacturer requires that you have 1, working remote in order to program this item yourself. If you have no remotes, it 04602268 AC