patricia ebel , 49 , was arrested on friday after crashing her luxary bmw 5-series into a car that was stopped at an intersection in naples , florida .
she was captured on video staggering as she failed all field-sobriety-tests .
ebel had been driving her 10-year-old grandson in the vehicle after a day at the pool .
she is facing dui charges including driving with a .15-or-greater blood alcohol content with a minor in the car .