If your car has OTA updates it almost certainly gets its time from NTP and doesn't rely on manual time configuration or wacky code written a decade ago. Further

If your car has OTA updates it almost certainly gets its time from NTP and doesn't rely on manual time configuration or wacky code written a decade ago. Furthermore, absolutely no part of the ignition system should depend on cellular connectivity to start the engine. This is a non issue in 2022 models.