Is there a build sheet somewhere on the GSF that lists the factory options?

I'm looking at a 2016 GSF and the dealer doesn't have the original window sticker. I'm trying to verify if this car has the optional Mark Levinson system and the heads-up display. I know the HUD was optional on the 2016 models and became standard in 2017 . The car has the 19 inch wheels and the orange brake calipers that were optional on the first year cars , but I can't tell if it actually has the full luxury package or just the base setup. I know Lexus put a VIN plate on the driver's door jamb with a bunch of codes, but I don't know how to decode them . There's also a sticker under the hood near the strut tower that might have option codes, but I'm not sure if those show the actual packages or just paint and trim info. Anyone know of a reliable way to get the original equipment list for these cars without dragging it to the dealer?