I've tried replacing the batteries inside my key fob but my range is still very short compared with the keyless entry system of Lexus and Infiniti.<br> <br> Has anyone else noticed this? Sometimes it works great, but as a general rule, I need to be within 10 feet of the car to get it to respond to the remote.<br> <br> With other cars such as Lexus, you can be clear across the parking lot and it will pick up the signal.<br> <br> I've made no modifications to the car that would prevent the signal from reaching the car. Any thoughts??<br> <br> Thanks!