Driving to Mexico checklist
From San Diego, Mexico is a short drive — and a different insurance system. Before you cross, three things have to be in place: insurance Mexico recognizes, the right entry documents, and (depending on how far you go) a permit for the car. Answer three questions for your checklist.
Your trip
What the U.S. Embassy tells drivers
The U.S. Embassy's driving guidance is the clearest single source: get a separate Mexican auto policy because U.S. insurance is not sufficient; get a Temporary Vehicle Importation Permit if you are going beyond the Baja California Peninsula, the Sonora Free Zone, Quintana Roo or the border zone; carry a passport book or passport card; and get an FMM entry permit unless you are staying in a border city for less than 7 days. It also warns against bringing weapons, ammunition, marijuana or vaping products.
Why this matters more from San Diego
Crossing is routine here, which is exactly why the insurance step gets skipped. If something happens on the Mexican side without a Mexican policy, your California policy is not what Mexico will look for. Buy the Mexican policy for the exact dates, keep a copy on your phone, and your California coverage is waiting when you drive back.
Sources (official)
- U.S. Embassy & Consulates in Mexico — Driving to Mexico
- California Vehicle Code section 16028 (proof of insurance in California)
Mexican requirements can change; check the U.S. Embassy page and Mexico's own guidance before you go. Whether your California policy covers anything in Mexico is set by its wording and varies by company.
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Does my California car insurance cover me in Mexico?
Not for what Mexico requires. The U.S. Embassy says U.S. insurance is not sufficient and you must have a separate Mexican auto policy; short-term tourist policies are available. Whether your California policy adds any coverage in Mexico varies by company.
Do I need a vehicle permit to drive to Tijuana or Ensenada?
No. The U.S. Embassy lists the Baja California Peninsula, the Sonora Free Zone, Quintana Roo and the border zone as places that do not require a Temporary Vehicle Importation Permit. Beyond them, a U.S.-registered vehicle needs one.
What documents do I need to drive into Mexico?
A passport book or passport card to return by land, an FMM entry permit for most travelers (border-city stays under 7 days may not need one), Mexican auto insurance, and a vehicle permit if you go beyond the free zones.
Can I take a financed or leased car to Mexico?
Check your loan or lease contract first; lenders and lessors set their own rules about taking the car out of the country.