I've had a couple of bad experiences with safety. Not many, but a few.
One was when a driver straight-up ran a red light. He had plenty of advance warning. It turned yellow when it was still off in the distance, and it had been red red for a few seconds when he went in. I made sure to file a complaint.
Another driver made a left turn from the rightmost lane of a six-lane road. She had plenty of warning: Google Maps had been telling her to make a left for a while, and I kept telling her "you'll want to get in the left lane". She ignored both me and the nav. That was a one-star ride.
I also had one bad experience with a driver who got furious at me for pointing out a No U-Turn sign to him. This one will need a map.
We were on a divided road (i.e., with a median, no jumping across), and our destination was on the other side of the road. The next intersection after our destination had a No U-Turn sign, and Google Maps instructed us to go on to the intersection after that and make the U-turn there. Driver decided he wanted to make a U-Turn at the intersection with the No U-Turn sign instead.
In case this is confusing, here's a map of what was going on
| | |N|
===| |======|O|==================
<-CAR
---| |------|U|------------------
T
===| |======|U|========== ======
| | |R| DESTINATION
| | |N|
While he was in the left lane with his blinker on, I kept telling him over and over that there was a No U-Turn sign and that what he was doing was illegal. Eventually, he relented, and for the rest of the ride, he started audibly huffing and puffing. He was utterly
furious at me for not letting him make an illegal U-Turn.
Oh, and when he let me off, he parked in a handicap spot. I one-starred him, flagged him for Navigation, Safety, and Friendliness, and wrote the details of what he did; hopefully, someone at Lyft noticed.
I've actually seen a lot of drivers let me out in handicap spots. I always warn them, and they say they'll move out right away, but it makes me really nervous every time. I normally don't report or one-star people for that alone, but I made sure to do that in his case because of his huffing and puffing act. Oh, and he left me a really bad first impression when he first picked me up. He locked the front door and told me to get in the back. I'm a large person, and he had a dinky little Nissan Versa. No way am I fitting in the back of that rollerskate. He didn't unlock the front door until I told him I'd cancel the ride if he didn't let me in the front. It really pisses me off when drivers of econobox hoopties act like limo drivers. Dude, you own a Nissan Versa, not a Lincoln Town Car. Act like it.
(actually, I hate it when Uber/Lyft drivers in large sedans act like limo drivers too... as far as I'm concerned, getting out of the car to open the door for me is an automatic cancellation... I find it creepy, and I won't ride with someone who pulls that crap)
Edit: Oh, and I've also had a couple of drivers who were texting throughout the ride.