Both vehicles share an E-GMP platform. AWD versions require flatbed; RWD versions can be flatbedded too (recommended for safety even when not required).
12V battery dead = main pack disconnected = no neutral release through normal procedures. There's a manual jump procedure for the 12V documented in the owner's manual.
We tow to Hyundai EV Service or Kia EV Service. Standard $249 / hour rate.
