Cal. Ins. Code § 660
As used in this chapter:
(a) “Policy” means an automobile liability, automobile physical damage, or automobile collision policy, or any combination thereof, delivered or issued for delivery in this state, insuring a single individual or individuals residing in the same household, as named insured, and under which the insured vehicles therein designated are of the following types only:
(2) Any other four-wheel motor vehicle with a load capacity of 1,500 pounds or less; provided, however, that this chapter shall not apply to any of the following:
(e) “Renewal” or “to renew” means to continue coverage with either the insurer which issued the policy or an affiliated insurer, as defined in Section 1215, for an additional policy period upon expiration of the current policy period of a policy, provided that if coverage is continued with an affiliated insurer, it shall be the same or broader coverage as provided by the present insurer, and the insured shall be notified in writing at least 20 days prior to expiration of the current policy period of all of the following: