Patent attributes
Disclosed are techniques for wireless communication. In an aspect, a vehicle user equipment (V-UE) determines an availability of cellular vehicle-to-everything (C-V2X) service for a first network access subscription associated with a first subscriber identity module (SIM), a second network access subscription associated with a second SIM, or both, the first SIM and the second SIM associated with a first SIM slot and a second SIM slot, respectively, of an in-vehicle system (IVS) modem of the V-UE, and updates a configuration of the IVS modem, switching the C-V2X service from the first network access subscription to the second network access subscription or from the second network access subscription to the first network access subscription, or both, based on the availability of the C-V2X service.