
Reactive in the Car: How to Make Car Trips Calmer
Updated: 3 days ago
Some dogs treat the car like a moving bed. Others bark at every sheep, cyclist and passer-by from the moment the engine starts, and you arrive wherever you're going with your ears ringing. Plenty of dogs who are fine on walks fall apart in the car, and it can make every trip stressful for everyone. The good bit is there's a lot you can do to make car trips calmer, and most of it starts before you've even turned the key.
THE SHORT ANSWER
Car reactivity happens because the car gives your dog a fast-changing view of things that worry or excite them, with no way to move away. It's very hard to train while you're driving, so start with management: a covered crate or window shades to block the view, a chew or lick mat, and calm music if it helps. Then train outside the car, and in a parked car, rewarding calm around triggers. Build up slowly, and keep trips short at first.
Why some dogs react in the car
The car moves, vibrates and shows your dog a constant stream of things flashing past. For a dog who's sensitive to movement or sound, that's a lot. They can't walk away, so barking, lunging or spinning becomes their outlet.
Common triggers include:
Sheep and other livestock in fields
People walking past the car
Cyclists, runners and buggies
Other dogs
Drive-thru windows and car parks
Why it's hard to train in the car
With reactivity, we usually reward the moment our dog stays calm or looks away from a trigger. In a moving car, things happen too fast, and you're driving. If the reward comes late, your dog doesn't learn what it was for. That's why management comes first.
Step 1: Block the view
A crate with a cover over the sides and back
Window shades or frosted film on the back windows
A seat position where they can't see out the front
For many dogs this alone makes a huge difference. Make sure your dog is safely secured and has good airflow.
Step 2: Give them something calming to do
A long-lasting chew, a lick mat or a stuffed food toy gives your dog something to focus on. Licking and chewing help many dogs relax. Read calming mini-games.
Step 3: Train outside the car
Work on calm around triggers on walks first, at a distance where your dog can still take food. Read reading early body language signals.
Step 4: Practise in a parked car
Park somewhere quiet with a passenger to help. Reward calm as people or dogs pass at a distance. Keep sessions short.
Step 5: Build up car trips slowly
Start with short, quiet routes. Avoid the busiest roads or fields of sheep while you're building calm.
Is it pain or car sickness?
Some dogs who struggle in the car are feeling sick or uncomfortable. If your dog drools, pants, shakes or vomits, talk to your vet.
RENEE'S TIP
Have a passenger ready with treats on your first few training trips. They can reward calm moments as they happen, so you can keep your eyes on the road.
QUICK CHECK
ā Block the view first
ā Give a chew or lick mat
ā Train calm outside the car
ā Practise in a parked car
ā Short, quiet trips to start
ONE-TO-ONE HELP
Help with car reactivity
If car trips have become a nightmare, I can help you build a plan that suits your dog, in an online Dog Behaviour Consultation from wherever you are.
Online on Teams, wherever you are. 30 or 60 minutes.
FAQs
Why does my dog bark in the car?
Usually at things flashing past, like sheep, people or other dogs. The car gives them a fast view and no way to move away.
How do I stop my dog reacting in the car?
Start by blocking the view with a covered crate or window shades, then train calm outside the car.
Should I use a crate in the car?
A covered, secured crate helps many dogs settle and keeps them safe.
Could my dog be car sick?
Drooling, panting, shaking and vomiting can be signs. Talk to your vet.
Can I train my dog while driving?
It's very hard. Train outside the car or in a parked car, ideally with a helper.

ABOUT THE AUTHOR
Renee Patience Ā· National Dog Trainer of the Year 2025
Founder and head trainer of Paws Academy, with more than 30 years training dogs and a Level 6 Diploma in Applied Canine Behaviour. Renee has competed in agility, obedience and heelwork to music across the UK, including at Crufts and Olympia, has appeared on CBBC, and is the author of the Modern Training Guides and the Modern Breed Handbook series. Pictured with her boxer, Kookie.
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