*50 Opinion
Plaintiff, injured in an automobile accident, seeks to obtain coverage under the general liability coverage provisions of the defendant-driver’s “homeowner’s” insurance policy. The injured party, Cheryl DeBoer (herein referred to as “plaintiff,” although she is a defendant in this action for declaratory relief filed by the insurer, State Farm Fire & Casualty Company), appeals from a judgment declaring that the policy did not afford coverage for the accident. We affirm.
Plaintiff was injured while a passenger in a 1970 Volkswagen Dune Buggy, California license No. 672 BCB, operated by her brother-in-law, Frank Camara, during a deer hunting trip. She filed suit against Camara, alleging that he drove off a fire protection road “upon a very steep hillside at a point which was used to skid logs down hill,” and a “collision” ensued, proximately causing her injuries. In the third cause of action, admittedly in an effort to obtain coverage on Camara’s homeowner’s policy, she alleged that Camara so negligently “designed, constructed and assembled the vehicle as to proximately cause the vehicle to overturn.” No evidence was presented at the trial, the parties having agreed that the issue is whether this allegation designates a risk covered by the State Farm homeowner’s policy. 1
I
In dealing with a comprehensive general liability policy containing an automobile exclusion, the Supreme Court held in
Pacific Employers Ins. Co.
v.
Maryland Casualty Co.
(1966)
The Legislature responded by adding Insurance Code section 11580.1, subdivision (g) (now § 11580.1, subd. (e)), which declares that homeowner’s policies are not to be considered automobile liability policies.
When the issue was next raised, in the companion cases of
Herzog
v.
National American Ins. Co.
(1970)
Three years later, in
State Farm Mut. Auto. Ins. Co.
v.
Partridge
(1973)
When we consider Herzog and Partridge together, it becomes apparent that where coverage of a risk is reasonably contemplated by the parties and such risk is independent of the “ownership, maintenance, operation, use, loading or unloading” of a vehicle, the risk will be covered under a homeowner’s policy even if the injury also arises out of the ownership, maintenance, etc. of the vehicle.
Two later cases have considered
Partridge.
The first was
United Services Automobile Assn.
v.
United States Fire Ins. Co.
(1973)
II
We now advert to the instant case. Coverage E of defendant’s homeowner’s policy, entitled “Personal Liability,” states that coverage is provided for damages “caused by an occurrence.” “Occurrence” is broadly defined as “an accident, including injurious exposure to conditions, which results, during the policy term, in bodily injury or property damage.” However, the policy contains an exclusion which states that coverage does not apply: “(a) [t]o bodily injury or property damage arising out of the ownership, maintenance, operation, use, loading or unloading of: ... (2) [a]ny motor vehicle owned or operated by, or rented, or loaned to any insured; . . .” 2 Unlike the policies in the Pacific Employers, Herzog, Yoshiwara, etc. cases, this exclusion is not limited to motor vehicles away from the insured’s premises; it applies to all registered motor vehicles without geographical limitation.
Thus we come to the crucial question. When Camara started with a 1970 Volkswagen and “designed, constructed and assembled” it into a dune buggy, (which activity caused or contributed as a cause to the injury), did such activity arise out of the “ownership, maintenance, operation, use, loading or unloading” of the vehicle? If so, whether engaged in on or away from the insured’s premises, such activity is excluded. It is undisputed that the vehicle was at all times owned by
*54
Camara; hence the work of design, construction and assembly necessarily arose out of its “ownership.” Most certainly such work arose out of the vehicle’s “use.” “The term is not confined to motion on the highway, but extends to any activity in utilizing the insured vehicle in the manner intended or contemplated by the insured.”
(Pacific Indem. Co.
v.
Truck Ins. Exch.
(1969)
Ill
Even if we conceived of the work on the dune buggy as not involving : its ownership, maintenance, etc., the result would not be different. Two distinct activities must be considered: first, that which is asserted to be the negligent cause of the injury (construction and assembly of the dune buggy), and second, that which more directly brought the injury about (the accident on the steep hillside). Both such activities are included within the meaning of the exclusionary phrase “bodily injury . . . arising out of the ownership, maintenance, operation, use, loading or unloading of . . . any motor vehicle,” (italics added); if either arose out of the ownership, etc. of the vehicle, coverage for the injury is excluded. We have thus far considered the first; now we turn to the second.
In contrast to Partridge, United States, and Glens Falls, the injury in the instant case did not involve an instrumentality other than and separate from the vehicle itself. Under the undisputed facts, the accident would not have happened but for the defendant’s design and construction of the dune buggy. But it does not follow that the accident did not arise out of the operation or use of a motor vehicle. The facts show the contrary. As Partridge held, the nonvehicle-related cause must be independent of the vehicle-related cause in order for the liability to be *55 covered by the homeowner’s policy. 4 Although the operation or use of the dune buggy was not the sole cause of the accident, any contributing design cause was dependent upon such operation or use, such that any liability for negligent design necessarily arose out of the operation or use of the motor vehicle.
In other words, the
only
way in which plaintiff could have been exposed to the claimed design risk was through the operation or use of the motor vehicle. Under such circumstances defendant’s asserted liability could not but arise out of the ownership, maintenance, operation or use of the vehicle; it was therefore excluded. This result ineluctably accords with the reasonable expectations of
Camara.
As a reasonable person who purchased both the automobile policy and the homeowner’s policy, he could not expect the homeowner’s policy to indemnify him against a claim arising out of such facts. (Cf.
Herzog
v.
National American Ins. Co., supra,
IV
Our decision appears to be at odds with the very
recent case of Gonzales
v.
St. Paul Mercury Ins. Co.
(1976)
We can only observe that the St. Paul Mercury court has fallen into the same error as the Pacific Employers court. A hundred similar cases can be conceived. Today the defendant-owner negligently repairs the brakes; tomorrow he carelessly leaves worn tires on the vehicle (which later result in a blowout), or he fails to apply the hand brake when parked on a hill (as a result of which it rolls uncontrolled down the hill), or he negligently fails to replace worn out spark plugs (as a result of which the vehicle stalls at a railroad crossing). Injury from any such acts unquestionably arises out of the ownership, maintenance, operation, use, etc. of the vehicle, yet under the St. Paul Mercury holding it is still covered when the homeowner’s policy clearly says it is not. The St. Paul *56 Mercury court has in effect rendered the exclusion nugatory and converted every homeowner’s liability policy into an automobile liability policy, a la Pacific Employers. And this in the face of the Supreme Court’s very clear pronouncement in Partridge that for the homeowner’s policy to cover the loss, the liability must arise from non-vehicular conduct and must exist independently of use or ownership of a vehicle.
The judgment is affirmed.
Puglia, P. J., and Friedman, J., concurred.
Appellant’s petition for a hearing by the Supreme Court was denied December 22, 1976.
Notes
Camara’s automobile insurance liability limit was $100,000, the full amount of which was paid to plaintiff in settlement. Plaintiff claims damages greater than this, resulting in this attempt to obtain the additional $50,000 of the homeowner’s policy coverage.
There is a minor limitation to this exclusion, but it is inapplicable here.
We are not unmindful of the rule of construction that uncertainties in policy language are construed in favor of imposing liability on the insurer.
(Pacific Indem. Co.
v.
Truck Ins. Exch.
(1969)
The specific pertinent words of
Partridge
are: “... although the accident occurred in a vehicle, the insured’s negligent modification of the gun suffices, in itself, to render him fully liable for the resulting injuries. . . . inasmuch as the liability of the insured arises from his non-auto-related conduct,
and exists independently of any ‘use’ of his car,
we believe the homeowner’s policy covers that liability.” (Italics added.) (
