to turn on

https://tts.langeek.co/read?text=dG8gdHVybiBvbg&hash=31a45e81a0f50ffa3a9e82bd76cb3dc8b6317509&lang=en&cache-only=0&driver=googletts&accent=US

Here you will find the vocabulary from Unit 4 - Lesson 2 in the Top Notch 2A coursebook, such as "fill up", "drop off", "turn on", etc.