Improved Charge Port Access with Extra Fob Antenna How to reduce the frequency of the Tesla Two-Step. Telsatap.com has posted instructions for how to add another fob antenna to the MS. The result is improved response to awaken the car in order to unlock and detach the UMC. Look for the link "Improved Charge Port Access with Extra Fob Antenna" Telsatap.com has an assortment of other useful mods posted too. As Teslatap has already mentioned in this editorial notes, I have ordered twisted pair to rewire mine and run it though the door sills, vice headliner. Will update the mod on Teslatap with this is done.