Cal. VEH § 672

(a) “Vehicle manufacturer” is any person who produces from raw materials or new basic components a vehicle of a type subject to registration under this code, off-highway motorcycles or all-terrain vehicles subject to identification under this code, or trailers subject to identification pursuant to Section 5014.1, or who permanently alters, for purposes of retail sales, new commercial vehicles by converting the vehicles into house cars that display the insignia of approval required by Section 18056 of the Health and Safety Code and any regulations issued pursuant thereto by the Department of Housing and Community Development. As used in this section, “permanently alters” does not include the permanent attachment of a camper to a vehicle.

(b) A vehicle manufacturer that produces a vehicle of a type subject to registration that consists of used or reconditioned parts, for the purposes of the code, is a remanufacturer, as defined in Section 507.8.

(c) Unless a vehicle manufacturer either grants franchises to franchisees in this state, or issues vehicle warranties directly to franchisees in this state or consumers in this state, the manufacturer shall have an established place of business or a representative in this state.

(d) The scope and application of this section are limited to Division 2 (commencing with Section 1500) and Division 5 (commencing with Section 11100).