Is there any way for a woman to join her husband by car to Shul for Kol Nidrei after she lights candles on Erev Yom Kippur?
No, since she says shehechyanu. If not, is it ok to light in Shul? No, she may not light in shul. וראה כאן: https://asktherav.com/1425-where-is-the-preferred-place-to-light-shabbos-candles/ #11241