Dealer versus Independent Shop for Adding Remote Engine Start to 2014 Civic LX

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Dealer installation of this feature seems to involve removing the following: rear view mirror, map light console, driver's side sun visor, A-Pillar trim, dashboard lower cover, lower door panel, kick panel, front door sill trim, lower steering column cover. Then attach an antenna to back of the rear view mirror and install wiring harness, etc.

Do Independent Shops use some sort of simple installation not as involved as this?