Keyless entry is very common - i.e unlocking the door with a remote key.
But keyless/handsfree startup isn't that popular. It's mostly Renault cars that use it. They all start up by inserting a card into the dashboard and pressing a button. Their upper range cars have handsfree entry, which is all proximity based - you don't need to take the key out of your pocket to open the door and drive it.
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Keyless entry is very common - i.e unlocking the door with a remote key. But keyless/handsfree startup isn't that popular. It's mostly Renault cars that use it. They all start up by inserting a card into the dashboard and pressing a button. Their upper range cars have handsfree entry, which is all proximity based - you don't need to take the key out of your pocket to open the door and drive it.