Essential Tips for Your Dog to Ride in the Car

Summer in Portugal is an invitation to explore the country with your dog. Check out our tips to do it safely for both of you.

Dicas Essenciais para o seu Cão Andar de Carro

With the arrival of good weather, car trips with your dog multiply. Beaches, mountains, parks, visits to family – summer is the season for big plans with our four-legged companions. But taking your dog in the car requires more than just opening the back door.

Few owners know that in Portugal it is legally mandatory to transport animals properly secured inside the vehicle. An unrestrained dog in the car poses a danger to all occupants: in the event of sudden braking, a 20 kg animal can be projected with a force equivalent to several hundred kilograms. But safety is not the only factor to consider. Comfort, anxiety, hydration, and temperature are equally important issues for the journey to be a positive experience for your dog.

What does Portuguese law say about transporting animals in vehicles?

The Portuguese Highway Code is clear: animals must be transported in conditions that do not disturb driving or compromise safety. In practice, this means that the animal must be in a carrier, with a harness and seat belt adapter, or separated from occupants by a dividing grille.

Driving with your dog loose in the back seat or in the trunk without any restraint can result in a fine and, in the event of an accident, increased civil liability. The safety of the animal and occupants begins before starting the engine.

Safe transport options: which one to choose?

There is no single solution for all dogs. The size of the animal, the type of car, and the dog's tolerance to travel influence the best choice. There are three main categories of safe transport.

  • Rigid carrier or backpack. Ideal for small dogs. Provides a defined and secure space that many dogs associate with their personal space, reducing anxiety. It should be secured with the seat belt or placed on the car floor so that it does not move during the trip.
  • Travel harness with seat belt adapter. The most versatile solution for medium and large dogs. The harness distributes impact force across the chest and not the neck, and the adapter connects it to the car's seat belt. It is essential that the harness is approved for travel use.
  • Dividing grille. Separates the animal from occupants and prevents projection, but the dog remains unrestrained, making it less safe than the previous options in the event of a frontal collision.

Recommended products for safe travel

We have selected the products available on our website most suitable to ensure the safety and comfort of your dog during car trips this spring and summer.

Trixie Friends on Tour Car Harness: Harness specifically developed for car use, compatible with a seat belt adapter. Distributes impact across the chest in the event of braking. Available in various sizes.
Trixie Seat Belt Adapter
Connects the harness to the car's seat belt. Compatible with most standard seat belts. Simple and economical solution for small and medium dogs.
Julius-K9 Seat Belt Adapter (up to 10 kg)
Heavy-duty adapter from Julius-K9, a world leader in canine equipment. For dogs up to 10 kg, compatible with IDC harnesses from the same brand.
Julius-K9 Seat Belt Adapter (10–25 kg)
Reinforced version for dogs between 10 and 25 kg. Robust and tested construction for long journeys and intensive use.
Nayeco Vision IATA 50 Carrier
IATA approved rigid carrier for car and plane. With ample side ventilation and double security lock. Suitable for small to medium-sized dogs.
Camon Travel Water Dispenser 750ml
Bottle with integrated bowl to hydrate your dog during stops. Spill-free, easy to use with one hand. Essential in hot months.

Heat in the car: the unforgiving danger

With the arrival of summer in Portugal, the interior of a parked car can reach temperatures above 60ºC. Heatstroke in dogs develops very quickly and can be fatal.

Never leave your dog alone in a parked car in the summer. Even in the shade and with windows slightly open, temperatures rise rapidly. An unforeseen event can cause your dog to be in the car longer than planned.
Keep the air conditioning on. The ideal temperature in the cabin for a dog is between 18 and 22ºC. Avoid pointing air vents directly at the animal.
Hydrate regularly. Stop every 1 to 2 hours to offer fresh water. A portable water dispenser makes this process easier without the need for bowls.

How to prepare an anxious dog for a trip?

Not all dogs naturally enjoy car rides. Travel anxiety is common and manifests through excessive vocalization, salivation, trembling, or vomiting. The good news is that, with patience and gradual training, most dogs learn to associate the car with a positive experience.

  • Start with the car stationary. Let the dog explore the car freely, with the doors open, without starting the engine. Offer treats and positive reinforcement inside the car.
  • Advance gradually. Start the engine without moving, then take a short drive around the block. Gradually increase the duration of trips over several days.
  • Associate the trip with positive destinations. The first trips should have an appealing destination for the dog, such as a park or a beach. Avoid having the first car experiences associated with trips to the vet.
  • Do not feed before long trips. Feed the dog at least 2 hours before the trip to reduce the risk of motion sickness and vomiting. For very long trips, prefer lighter meals.
  • If anxiety is intense, talk to your vet. There are effective natural and pharmacological solutions for dogs with severe travel anxiety. Your vet can recommend the most appropriate approach for your specific case.
Tip: Always bring a familiar blanket or comforter for the dog in the carrier or on the seat. The familiar scent reduces anxiety and makes the car space more comforting, especially on trips to new destinations.

Frequently Asked Questions

Can my dog ride in the front seat?
Yes, as long as it is properly secured with a harness and seat belt adapter. However, the back seat is safer to avoid disturbing your driving.
What signs of heatstroke should I recognise in my dog?
Rapid and heavy breathing, excessive salivation, red or pale gums, lethargy, vomiting, and seizures are emergency signs. If you suspect heatstroke, move the dog to a cool place, wet it with lukewarm (not cold) water, and go to the vet immediately.
Does the carrier need to be secured in the car?
Yes. A loose carrier in the back seat or trunk becomes a projectile in the event of sudden braking. It must be secured with the seat belt or placed in such a way that it does not move.
My dog always vomits in the car. What can I do?
Motion sickness in dogs is relatively common, especially in puppies. Reducing meals before the trip, ventilating the cabin well, and gradually increasing the duration of trips helps in most cases. In persistent cases, the vet can prescribe safe antiemetic medication for dogs.

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