While driving on an ordinary road, smoke comes out from under the hood and you smell burning. What is the most appropriate action?

1. ①Speed up so the wind blows the smoke away and keep going to your destination
2. ②Stop in a safe place, turn off the engine, get everyone out and well away from the car, and call 119
3. ③After stopping, stay in the car until you have gathered all your valuables and luggage
4. ④Close all windows and doors to keep the smoke out and wait inside the car