How do I use my silver pass for free parking? Do they just scan my phone?

Yup

Yes

You just show your phone or pass and they will get the do-hickey and scan it for y'all sometimes you gotta show your id card For proof it's you .

When you drive into Busch Garden they scan your pass and hand you a preferred parking slip for your windshield. They then direct you to follow the blue line to preferred.

I'm Not Sure. But I Guess You Could

Yep or the card if you have it printed out

Yes, or show your ticket

Yap

Exactly