A driver steps inside for two minutes to grab a coffee or a forgotten phone while the car idles in the driveway on a frosty morning, and comes back out to an empty spot at the curb. Does insurance cover a car stolen while warming up? For most Canadian drivers, the answer comes down to one specific coverage, and to a habit that police services across the country warn about every fall and winter.
Warm-up theft is not a rare or unusual claim. It follows a predictable seasonal pattern, it targets a specific moment of inattention rather than a specific neighbourhood, and it raises a few genuine questions about how a claim gets handled afterward. This article looks at what warm-up theft is, whether comprehensive coverage is typically designed to respond to it, how a remote starter changes the picture, and where Canadian drivers most often run into this question.
What Is Warm-Up Theft?
Warm-up theft is the term police services and insurers use for a vehicle stolen while it was left running and unattended, usually to warm the cabin or clear frost before a drive. It typically happens in a driveway, a parking lot, or outside a convenience store, in the short window between starting the engine and getting behind the wheel.
York Regional Police in Ontario have flagged roughly 30 to 40 warm-up thefts a year in that region alone as part of ongoing public awareness campaigns, and similar programs, including Alberta's Operation Cold Start, run in cities across the country every cold season. The pattern is consistent enough that many police services now issue the same seasonal reminder every year: a running, unattended vehicle is an easy target, however briefly it is left.
Does Comprehensive Coverage Apply to a Warm-Up Theft?
Comprehensive car insurance is the optional coverage on a Canadian auto policy that is generally designed to respond to non-collision losses, including theft, fire, vandalism, and severe weather damage to a policyholder's own vehicle. Theft of a vehicle that was running and unattended when it was taken typically falls inside this coverage in the same way as a theft from a locked, parked car, because the core fact of the claim, an unconsented taking of the vehicle, is the same.
Basic liability car insurance, the coverage that is legally mandatory across Canada, is not designed to address theft of a policyholder's own vehicle at all. It responds to injury or damage a driver causes to someone else, so a driver carrying only liability coverage has no coverage in place for a stolen vehicle, warmed up or otherwise. Whether comprehensive coverage is already part of a specific policy, and what its deductible looks like, is a detail only that policy's wording and a licensed broker can confirm.
Does Leaving the Vehicle Running Change How a Claim Is Reviewed?
A common worry after a warm-up theft is whether leaving the engine running, and often the keys in the ignition, will complicate a claim. Most comprehensive policies are not built around punishing this specific habit, since the underlying event, a vehicle taken without the owner's consent, is unchanged by whether the engine happened to be on.
That said, an insurer's claims review process typically asks routine questions about where and how a vehicle was left, as it would for any theft claim, and coverage determinations always depend on the specific policy wording and the full circumstances involved. A licensed broker remains the most reliable source for how a particular insurer typically approaches these details, rather than assuming any one outcome in advance.
How Remote Starters Change the Picture
A remote starter lets a driver warm up a vehicle from inside the house, which removes the moment of standing beside a running car with the door open. For that reason, many drivers treat a remote starter as a warm-up theft solution rather than a risk. However, the Insurance Bureau of Canada has pointed to a real complication: an aftermarket remote starter, if installed incorrectly, can interfere with the effectiveness of a vehicle's built-in immobilizer, the system designed to stop an engine from starting without the correct key or fob present.
That interference does not typically change what a comprehensive claim looks like after a theft, but it is a detail worth raising with an installer and, separately, with a broker, since an immobilizer's condition can be one of several factors an insurer weighs when a vehicle is quoted for coverage in the first place.
Benefits of Comprehensive Coverage Against Warm-Up Theft
Carrying comprehensive coverage means a warm-up theft does not turn into an uninsured total loss on top of an already frustrating morning. Auto theft remains a significant and costly problem in Canada: Équité Association's 2025 trend report put the annual cost of vehicle theft to Canadians at roughly $900 million, even after an 18 percent year-over-year decline in reported thefts nationally. Comprehensive coverage is one of the few tools an individual driver has to limit their own exposure to that broader trend, regardless of how or where a theft happens.
Because comprehensive coverage is generally structured around the type of loss rather than the specific circumstances leading to it, a driver does not need to prove the theft happened a particular way to have a claim considered. That consistency is part of what the coverage is designed to offer.
Where You'll Come Across Warm-Up Theft Risk
Warm-up theft comes up at a few predictable points for Canadian drivers. It is most visible every fall and winter, when local police services typically issue seasonal reminders about not leaving a running vehicle unattended, even briefly.
It also comes up when shopping for or reviewing comprehensive car insurance, since theft is one of the main losses that coverage is meant to address, alongside hail, fire, and vandalism. Drivers considering anti-theft devices and trackers for a vehicle often ask about warm-up theft in the same conversation, since an immobilizer or tracker can factor into how a vehicle is protected against this specific scenario. Finally, it surfaces after a theft has already happened, when a driver is filing a claim for the first time and wants to understand what their policy actually covers.
Talk to a Licensed Broker About Comprehensive Coverage
Whether a specific car insurance policy already includes comprehensive coverage, and what its deductible and terms look like for a theft claim, is best confirmed before a cold morning turns into a stressful one. MyBrokers works with licensed brokers who can review an existing policy or help set one up with the right coverage in place. Start a vehicle insurance quote to talk it through with a broker.
Coverage details vary by insurer and by policy, and only the wording of an actual policy and a licensed broker can confirm what applies to a specific situation.
