Car safety for dogs: everything you need to know

 

SAFETY & TRAVEL  •  May 2025

Car safety with your dog: everything you need to know

Keywords: dog car safety • dog car attachment • dog leash belt • dog car transport • dog journey safety

The weekend is approaching, the suitcases are packed, the dog is eagerly waiting by the door... Traveling by car with your four-legged companion is often a joyful adventure. But too often, it's a journey taken lightly in terms of safety.

An unrestrained dog in a car is a major risk: for them, for you, and for other road users. In the event of emergency braking at 50 km/h, a 30 kg dog becomes a projectile exerting a force equivalent to several hundred kilograms. The danger is real, immediate, and yet easily avoidable.

In this article, we provide you with all the keys to safely transport your dog in the car — from legal obligations to concrete equipment, including practical tips for long journeys.

1. What the regulations say about transporting dogs in cars

In most European countries, the law is clear: an animal transported in a car must be restrained in such a way as not to interfere with driving and not to pose a danger to the vehicle's occupants.

In practice, this means that a dog roaming freely in the passenger compartment — and especially on the driver's lap or in an unsecured trunk — is considered a traffic violation. Penalties vary by country, but may include a fine and points deduction.

Beyond the law, the logic of safety is clear: a loose animal in a vehicle is a source of distraction for the driver and a potential danger for all passengers in the event of an accident.

2. The risks of an unrestrained dog in a car

Even without an accident, an unrestrained dog poses many daily risks:

!        Driver distraction: a dog climbing on laps, whining, or trying to get to the front can cause a critical loss of concentration.

!        Projection in case of braking: at moderate speed, the projection force can injure or kill the dog, and injure passengers.

!        Escape when doors open: an unrestrained dog can escape as soon as the door opens, with a risk of road accident.

!        Stress and agitation: a dog without an anchor point in a moving vehicle is often anxious, which worsens its behavior.

!        Airbag blockage: a dog placed on the front passenger seat can dangerously interact with the airbag system.

 

3. Available solutions: crate, net, belt, attachment leash

The transport crate

This is the most secure solution, especially for anxious dogs in the car. The crate must be securely fastened in the trunk or on the back seat. It provides a defined and reassuring space for the dog, especially on long journeys.

Choose a crate adapted to your dog's size: they must be able to stand up, turn around, and lie down comfortably. If it's too large, it no longer offers optimal protection in the event of an impact.

The separation net

Installed between the trunk and the passenger compartment, or between the front and rear seats, the net prevents the dog from getting to the front passengers. This is a practical solution for large dogs, but it does not stop the dog in the event of a frontal accident.

The dog seat belt

The dog seat belt attaches to the dog's harness on one side, and to the vehicle's seat belt on the other. It allows the dog to remain seated or lying on the back seat while being restrained in the event of an impact. It must always be used with a harness (never with a collar, which could injure the neck in case of sudden tension).

The car attachment leash

Shorter than a walking leash, the car attachment leash attaches directly to the seatbelt via an adapter. It limits the dog's movements in the passenger compartment and prevents them from moving to the front. Some models are fully reversible and also serve as a classic walking leash.

Solution	Safety	Dog comfort	Ease of use	Ideal for
Secured crate	Excellent	Very good	Medium	Long journeys, anxious dogs
Separation net	Partial	Good	Very good	Large dogs, trunk
Dog seat belt	Very good	Good	Good	Calm dogs, short journeys
Car attachment leash	Good	Correct	Excellent	All dogs, mixed use

 

4. How to get your dog used to car journeys

Some dogs love the car from the start. Others associate it with unpleasant experiences (vet, bath...) and develop persistent anxiety. In all cases, gradual familiarisation is key.

Step 1 — Static approach: Let your dog explore the car while it's stationary, with the door open, without forcing them to get in. Reward every positive approach.

Step 2 — Presence in the vehicle: Encourage them to get in and stay a few minutes in the stationary car. Use treats, cuddles, and favourite toys.

Step 3 — Engine running: Start the engine without moving. Observe their reaction. If calm, continue. If stress is visible, return to the previous step.

Step 4 — Short journeys: Start with 2 to 5 minutes maximum, to a pleasant place (park, forest). Follow each journey with a positive activity.

Step 5 — Gradual lengthening: Gradually increase the duration over several weeks. A well-prepared dog first tolerates 30 minutes, then several hours.

 

5. Choosing the right restraint according to dog size

The car restraint must be proportionate to your dog's size. A restraint that is too thin for a large dog can break in case of a sudden impact; a restraint that is too heavy can bother a small dog.

Dog size	Approximate weight	Recommended restraint type	Recommended anchor point
Small (chihuahua, yorkshire...)	< 10 kg	Light dog seat belt or crate	Rear seat, secured crate
Medium (beagle, border collie...)	10-25 kg	Leash restraint + dog seat belt	Rear seat, harness mandatory
Large (labrador, shepherd...)	25-40 kg	Secured crate or reinforced seat belt	Trunk with net or sturdy crate
Very large (Great Dane, St. Bernard)	+ 40 kg	Mandatory rigid secured crate	Trunk exclusively, with tie-downs

 

6. Tips for long journeys (water, breaks, comfort)

A car journey of several hours requires specific preparation for your dog's comfort and health. Here are the essentials to consider:

Regular breaks

Plan a break at least every 2 hours. Take the opportunity to let your dog stretch their legs, urinate, and drink. Never leave them alone in a closed vehicle, even in mild weather — the temperature rises to dangerous levels in just a few minutes.

Hydration

Always bring a water bottle and a foldable bowl. Offer water at each break. Avoid giving a full meal just before departure — a too-full stomach promotes motion sickness. A light snack 2 hours before departure is preferable.

Thermal comfort

In summer, air conditioning is essential to prevent heatstroke. In winter, ensure your dog does not get cold in a poorly insulated trunk. A familiar mat or blanket in the crate helps reassure them and maintain their temperature.

Motion sickness

Some dogs suffer from motion sickness (excessive salivation, vomiting, agitation). If your dog regularly shows these symptoms, consult your veterinarian: they can recommend a suitable solution (phytotherapy, mild medication, or desensitisation techniques).

7. Checklist before each car trip

Before hitting the road with your dog, check that you have:

v       Restrained your dog with their safety system (seat belt, crate, or leash restraint)

v       Checked that the harness is well adjusted and that the fastenings are in good condition

v       Brought fresh water and a foldable bowl

v       Planned breaks every 2 hours for long journeys

v       Avoided a heavy meal within 2 hours before departure

v       Checked that the identification collar is securely in place

v       Brought veterinary documents if you are crossing a border

 

Conclusion: travelling serenely is possible

Travelling by car with your dog is not complicated — as long as you prepare for it. Good equipment, a few simple habits, and gradual familiarisation are enough to transform every journey into a moment of bonding.

Because your dog deserves to share your adventures safely — whether it's to go to the local park or for a well-deserved holiday.

Equip your dog for safe journeys

Find all the accessories to transport your dog in the car with peace of mind on JappyToutou.com:

•        Versatile car leash restraint — safety for travel and walks in one accessory

•        Y-harness — essential for attaching the dog seat belt without pressure on the neck

•        Identification collar — always in place, to find your dog if they escape

•        Dog leash — for relaxing breaks during your long journeys

 30-day money-back guarantee • 7/7 customer service • Delivery in 6-12 days