Little-known endorsements: key fobs, pet injury, trip interruption

Yes, some policies carry small add-ons that pay for things a standard auto policy leaves out: replacing a lost or stolen key or lock, vet bills for a dog or cat hurt in a crash, a hotel and meals when the car is disabled far from home, and a flat death benefit. The published versions have modest limits, typically a few hundred to a few thousand dollars, and they are sold by only some insurers in some states.

Most of them are worth a look only when they are cheap and the alternative is worse. Whether they beat a stand-alone product depends on the limit, the trigger and what you already own. The rest of this article uses real policy forms and insurer pages to show how they are built.

How these small endorsements work

An endorsement changes the policy. Most of the ones below attach to the section that covers damage to your own car, which has two consequences. First, they usually require that you carry collision, comprehensive or both. Second, they often pay without a deductible, because the limit is small enough that a deductible would swallow the benefit.

Two published forms show the design. One is the Insurance Services Office's personal auto Pet Injury Coverage endorsement, PP 33 31 09 18, which the trade publication FC&S analyzed in a 2024 article. The other is a "Personal Auto Enhancements" endorsement, form U-913 (4-17), published by Tricor Insurance, which bundles a dozen small benefits under one form. Where the sections below quote a limit, it comes from one of these or from an insurer page named in the text. Another company's wording will differ, so the lesson is the pattern, not the number.

Key fob and lock replacement

A modern key is a small computer. Insurance.com's guide on the subject says that a replacement smart key can cost well over $100 once a dealer or locksmith programs it, and that luxury-car keys can run higher. Its guidance on coverage is clear: standard auto insurance does not pay for a key you lose or misplace, because losing a key is not a collision or a theft of the car.

When the key is part of a covered loss, the answer changes. The same article quotes an American Family spokesperson saying the company covers key replacement only if the keys are damaged in a covered loss, such as a vehicle fire, and that the deductible applies. That is the practical problem. If your comprehensive deductible is $500 and a fob costs $350, a claim pays nothing.

An endorsement exists to fix that math. Tricor's form pays up to $250 to replace the locks on your car if loss or theft of the door or ignition keys makes that necessary. It carries a $25 deductible and applies only to vehicles insured for other-than-collision. The form says "locks," not "fob," so read the wording: whether it reaches electronic programming, the key blade, the fob, or all three is a question for the insurer.

Another route is the dealer-sold plan. Zurich's key replacement page, for example, describes a plan that covers replacement of a key fob and includes emergency roadside assistance, with a claim process that points you back to the selling dealership if you are within 50 miles and asks for the paid invoice and the plan registration page within 30 days. It is a contract sold at the dealership, not an endorsement on an auto policy, and its terms sit in the plan document. See dealer tire, paint and dent plans vs your auto policy for how those plans compare with insurance.

What else may respond:

• Homeowners or renters insurance. A stolen key can count as personal property, but your deductible there is usually higher than the cost of the key, and it may not cover reprogramming or changing the car's locks.
• Comprehensive, if a thief uses the key to steal or damage the car. That is a claim on the car, not on the key. See relay attacks and keyless theft: how it works and what is covered for how keyless theft claims are handled.
• Roadside assistance, which can help with lockouts but not usually with programming a new fob. See roadside assistance.

When a lost or stolen key means someone else could drive away with the car, security matters more than reimbursement. Insurance.com advises contacting the police and your insurer and asking whether the missing key should be erased from the car's system or the locks changed.

Pet injury coverage

A pet in the car is, to an insurer, a passenger who is not a person. Medical payments coverage extends to human occupants, and the vet bills for a dog or cat injured in a crash can go unpaid unless something else is in place.

The ISO endorsement fills this hole in a specific way. According to the FC&S analysis, it is confined to cats and dogs owned by you or a family member, and the insured must schedule the amount: the rating manual allows $500, $1,000 or $2,000 per occurrence. It pays, without applying a deductible, reasonable veterinary expenses for the pet's bodily injury, or expenses such as cremation or disposal if the pet dies, for services within one year of the loss. The coverage applies only if the declarations show both collision and other-than-collision coverage on at least one covered auto, and if the pet was inside a covered or non-owned auto at the time of a loss caused by collision or other than collision.

A sample endorsement posted by the Nevada Division of Insurance, form Z538 (10/08), reads similarly but with fixed numbers. It provides up to $1,000 for reasonable and customary veterinary fees if your pet is hurt in a covered loss, or a $1,000 death benefit less any vet payments, with no deductible and a $1,000 maximum for any one loss regardless of how many pets are involved. It also pays the death benefit if the car is stolen with the pet inside and the pet is not recovered. The form's text is on the state's site, but the page does not tell you which insurers use it, so treat it as a sample. You can read it at the Nevada Division of Insurance.

A hypothetical shows the limits. Suppose your dog is hurt in a collision and the emergency vet bills come to $2,300. With a $1,000 endorsement you recover $1,000 and pay $1,300. With the ISO form scheduled at $2,000 you pay $300. A pet health insurance policy with accident coverage would pay according to its own limits, deductible and reimbursement rate, and it also covers the dog when it is not in a car. A pet policy is the stronger tool if you want protection for the animal generally. The endorsement is cheap, narrow and tied to a vehicle loss.

If another driver caused the crash, their property damage liability coverage may also respond to your pet's injuries, since the law in most places treats pets as property. That depends on the other driver having coverage and on who is at fault, so do not plan around it.

Trip interruption and travel expense coverage

Trip interruption is the add-on whose terms differ the most from one insurer to the next, so the trigger is the first thing to read. Three published examples show why.

The three triggers lead to different results. A flat tire or a failed alternator is a breakdown, not a collision or comprehensive loss, so the Farm Bureau and Tricor versions would not respond but Goodville's might. A deer strike 150 miles from home is a collision loss and could trigger the first and third. The distance rules also cut off many trips: a breakdown 80 miles from home falls outside two of the three examples.

A quick hypothetical: your engine fails 140 miles from home, the car is in a shop for two days, and you spend $220 on lodging and $90 on meals. Under a $600 breakdown benefit with a 100-mile, 24-hour trigger, that is a $310 reimbursement, assuming no other warranty or auto club pays first. Under a collision-only version, the same breakdown pays nothing.

The Goodville article also describes the endorsement as bundling towing and labor coverage up to $100, which is worth comparing with a roadside plan. See towing and labor coverage for the definition and roadside assistance coverage vs auto club membership for how a club membership differs. If you travel a lot by car, a roadside plan with a longer tow and the endorsement together give you more than either alone, but if you mostly commute, trip interruption will rarely trigger.

Other extras you may see on the menu

Personal property in the car. The Tricor form pays up to $500 for personal property lost or damaged in or on your insured car when the loss is covered under the car-damage part, reduced by any other insurance. Belongings stolen from a parked car are normally a homeowners or renters claim instead; see belongings stolen from your car: auto, homeowners or renters policy?.

Accidental death benefit. Amica's page describes a supplemental benefit that is not in its base tier: no additional death benefit on Essential, $10,000 per person on Advantage and $50,000 per person on Signature. Conditions include death as a direct result of a qualifying auto accident within 90 days, wearing a seat belt or being struck as a pedestrian, and exclusions such as racing, driving for compensation (taxi, rideshare or delivery) and operating a vehicle while impaired. Tricor's form pays $10,000 for a covered person's death within 90 days of an accident. These benefits are fixed-sum and supplemental; none is a substitute for life insurance. Many policies' medical payments coverage and personal injury protection also have their own death or funeral provisions in some states, so check what you already carry before adding another.

Towing extension. Goodville's $100 towing and labor allowance and similar features are small compared with a club membership's tow miles, so this is mostly a convenience.

Accidental airbag discharge and rental enhancements. The Tricor form also pays to replace an airbag that deploys without an accident and pays contractual obligations for loss of use and diminution of value on a rented car. These are the sort of one-line benefits that matter once, if ever.

Lease-end charges. None of the forms above addresses excess-wear or mileage charges at the end of a lease. If that exposure worries you, ask both your insurer and your lessor whether any product covers it, and read the lease terms.

A comparison you can use

How to compare an endorsement with something else

1. Find the form. Your declarations page lists forms and endorsements by number. Ask for the full text of anything you do not recognize.
2. Write down the trigger, the limit and the deductible. Triggers are where most disappointments live: collision-only, breakdown-only, miles from home, hours out of service.
3. Ask what it costs per year, in dollars, not as a percentage of the policy. No premium figure for these add-ons appears in the sources used here, and rates are filed state by state.
4. Divide. If the endorsement costs $12 a year and pays up to $1,000 when your dog is hurt in a crash, it can be a good small bet. If it costs $60 a year and pays $200 when you are 50 miles from home and the car is damaged, your own savings may do better.
5. Check overlap. Pet insurance, a roadside plan, a card benefit, renters or homeowners coverage and life insurance may already do the same job.
6. Ask how a claim is treated. Some small claims are paid without a deductible; ask whether any of them count as a claim for rating or renewal in your state.

Common questions

Does standard auto insurance cover a lost key fob?

Not usually. Insurance.com's guide says a standard policy does not pay for a key you lose or misplace, and that comprehensive responds only when the key is damaged as part of a covered loss. An optional endorsement or a dealer-sold plan is the usual way to get coverage.

Will my insurer pay for my dog's vet bills after a crash?

Only if your policy includes a pet injury benefit. Where it exists, limits in the published forms are small, from $500 to $2,000 or a fixed $1,000. It generally requires that you carry collision and comprehensive, and that the pet was in the car at the time of the loss.

Does trip interruption cover a flat tire?

Depends on the form. Goodville's covers mechanical or electrical breakdowns. Michigan Farm Bureau's applies after a covered comprehensive or collision loss. A flat could fall under one and not the other, which is why you read the trigger.

Are these add-ons available everywhere?

No. The forms in this article are examples. Availability, names, limits and wording vary by insurer and state. Ask your agent or insurer whether a similar benefit exists, and, if you are in a dispute over what a form pays, your state insurance department or a licensed attorney can help.

Key takeaways

• Small endorsements fill fringe gaps: keys and locks, a pet's vet bills, travel expenses, and a flat death benefit. Limits in the published examples run from a few hundred to a few thousand dollars.
• Triggers differ more than prices: collision-only versus breakdown, miles from home, hours out of service. Read the trigger before you buy.
• Key and fob coverage matters mostly when your deductible is higher than the replacement cost.
• A stand-alone product, such as pet insurance, a roadside plan or life insurance, may do more than the endorsement, so compare limit, trigger and cost.
• Ask your insurer for the form number and full text, because other companies' wording and availability will differ from the examples here.