Installing a pioneer F700BT, am I missing anything??

[a4cefed]

-Pioneer AVIC F700BT
-CONNECTS2 CTSVW002
-PIONEER Lead for Connects2 Stalk interfaces
-Metra 70-9003 Radios Installation Harness ( Do I need this ? )
-Metra 40-EU10 VW Volkswagen BMW European Non apmplified antenna adapter.
-American International VW-K1017 Dash Kit

Did i miss anything? and do I need the Metra 70-9003 radio harness if I'm using the Connects2 ?
Thanks