for this extention cord
https://www.amazon.ca/AC-WORKS-30Amp-Extension-4-Prong/dp/B01N6U2UZC/ref=cm_cr_arp_d_product_top?ie=UTF8&th=1
for tesla model 3..if used,,,will the car automatically adjust the amerage..or do you have to do it manually on the app or comuter..
right now on the ap i see...