This keyless remote programming instructions work for L,U (RED LED) remote with part # XT-54A FCC id B23AT54 on the back of it.
1. Look for the system installed in your vehicle which can usually be found under the dash near the pedals.
2. Push down on the push switch located next to the red LED a small diameter object, until the LED flashes telling you the system has entered programming mode.
4. To program another remote just go back to step 3 (including old ones).