"Customer Service"? There is no customer service. It's just email runaround and they sell the car out from under you without even telling you. And... they keep your deposit. It's more like customer DIS-service
One to two hours and in my situation they hang up on you after that length of time. They are criminals.
Call wait an hour and you will get somebody that transfers you to somebody else. Wait another hour then get ten minutes of doublespeak and you about have it.