Which vehicle?

Service: Change

2018 Honda Civic2015 Ford F-150

You have no vehicles yet.

Add a vehicle to book a service.

+ Add a vehicle

Continue

Book a service: 1 Vehicle

Spec: Book a service. Task: WB-8, acceptance rows 1 and 7. Opened from Book a service (no service yet) or from a tile (book.html?service=oil: the service is already chosen and shown above the list).

States

State	What shows
Normal	The customer’s vehicles, none chosen. Continue stays greyed until one is chosen. “2018 Honda Civic” and “2015 Ford F-150” are samples; WB-7 draws what a vehicle holds.
Empty	“You have no vehicles yet.” “Add a vehicle to book a service.” Continue greyed. “+ Add a vehicle” opens My vehicles (WB-7).
Loading	Two grey rows where the vehicles will be.
Failure	Banner “We couldn’t load your vehicles.” with Try again; Continue greyed.

Controls (WB-8)

Back goes to Home. The flow has no bottom navigation: five steps, one Continue at the bottom (the owner’s decision, 2026-11-09).
Continue goes to step 2. From a tile the service step is not skipped: it shows the service already chosen, so the customer sees and can change it (the owner kept this, 2026-11-09).
“+ Add a vehicle” belongs to WB-7 (link only).

?

? Where the customer lands after adding a vehicle from here: back in this flow or on My vehicles. Waits on WB-7.
? Session expired mid-flow: goes to sign-in. Waits on WB-7.