If I have any suspicion the app is less than accurate about PC location, I’ll usually call. The key thing is, you have GOT to keep it brief, friendly, and confident. “Hi Pax, it’s Driver8, your Uber driver … I need to verify /narrow down this address - 2403 road street, is that correct? Oh, you’re at 534 avenue blvd? Got it, thanks. See you in a few.”
When I get there, if they aren’t out within a few mins and there’s no sign of activity, a brief text