push-button
adjectiveUK /ˈpʊʃˌbʌtən/
US /ˈpʊʃˌbʌtən/
Something that starts or works by pressing a button.
The car has a push-button start, so you don't need a key.
OTHER MEANINGS
2. A small button you press to make something happen.
Press the push-button to open the door.
3. A way of doing something very easily, without effort.
With this app, booking a taxi is push-button simple.
4. A type of telephone that dials when you press buttons.
Grandma still keeps a push-button phone in the kitchen.