I've never had a driver ask for a tip in the bay area. If one were to, I'd give a 1-star rating and write in "asked for tip" as the reason. If that's unacceptab

I've never had a driver ask for a tip in the bay area. If one were to, I'd give a 1-star rating and write in "asked for tip" as the reason. If that's unacceptable behavior I'll stop using the service rather than join the under-the-table tipping game.