A person can improve the conductivity of the contacts through the following steps: Cleaning the contacts of the vehicle through a rubbing alcohol ﻿ Replacing the corroded or worn-out contacts ﻿ Checking the electrical damage with circuits of the key fob ﻿ Removing the debris from the case and contacts of the key fob using small-needle pliers ﻿ Repairing the key fob by replacing it with the receiver