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Jonna Miller, a Houston obstetrician, has delivered babies for 17 years, some births trickier than others. But getting from point A to point B using BMW’s navigation system, she said, is too complicated to bother with.
Dr. Miller, 48 years old, has been on the losing end of a technological tug of war with her 2015 640i coupe. The voice-activated cellphone-calling system refuses to recognize her husband’s name. Safety sensors…