Stroller folds with the adapter attached on Vista (2015+), Vista V2, Vista V3, Kona and Cruz — but not on Cruz V2 or Cruz V3; fits Vista 2015+ only.
On Vista in double mode, a Chicco seat goes on top with Upper Adapters for Vista plus this adapter, or on the bottom with Lower Adapters for Vista plus this adapter.
About this pair
The Chicco KeyFit 30 Zip goes on the UPPAbaby Vista V3 with the UPPAbaby Chicco adapter for Vista and Cruz (model 0156), about $49.99. The seat itself is rated up to 30 lb and up to 30 in, per Chicco.
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32 other infant seats fit the UPPAbaby Vista V3; UPPAbaby Aria V2, UPPAbaby Mesa (original), UPPAbaby Mesa Max and 2 more need no adapter at all.
The answer is not the same on every Vista: it differs on the Vista (before 2015), as the table below shows.
Summary from the makers' published data.
How to set up the Chicco KeyFit 30 Zip on the UPPAbaby Vista V3
What you need
The UPPAbaby Vista V3
The Chicco KeyFit 30 Zip carrier (its car base stays in the car)
The UPPAbaby Chicco adapter for Vista and Cruz (model 0156)
The adapter maker shows the fitting steps in pictures; see the manuals below.
Before every walk
Check that the carrier is locked on both sides the way your manual describes. How we check our answers
Last check: give the carrier handle a gentle tug. A seat that is fully latched does not lift off.
UPPAbaby says it needs an adapter (Chicco adapter for Vista and Cruz).
“Compatible with Chicco® KeyFit® 30, KeyFit® 30 Zip, KeyFit® 30 Zip Air, KeyFit® 35, Fit2®, Fit2® LE, Fit2® Air … Compatible with Vista 2015+, Vista V2, Vista V3, Cruz, Cruz V2, Cruz V3, Kona”