White smoke (steam, does not hang around or drift) while warming in cooler weather = water vapor, probably normal.

Steam while warming in warmer weather can be water vapor, probably normal.

White smoke (steam, but may hang around longer and drift like smoke) after running some miles and at operating temperature = water vapor, but possible from coolant entering combustion chamber, not normal, possible head gasket.

Which describe your experience best?

Best Regards,
Jim