Do not forget that training takes place not only at home or dog school but in every step of your friendship. Do you integrate training into real-life situations?
Make a habit of carrying dog treats everywhere. Praise and treat randomly, unexpectedly, and reward good behaviour.
You can also read this article in Dogo App.
Ask for commands “sit”, “down”, encourage eye contact before jumping out of the car, releasing off the leash, throwing a ball, etc. Dog training is a lifelong ongoing process. For your dog to be reliable, apply the training to your everyday routine.