This is the 14447th most frequent Turkish word.
otomobiline
"To his/her car."
The word 'otomobiline' is used here to indicate possession and the act of entering a vehicle by Ahmet.
Ahmet otomobiline bindi.
Ahmet got into his car.
In this sentence, 'otomobiline' refers to the specific car possessed by the subject where the action of radio installation takes place.
Otomobiline yeni bir radyo taktırdı.
He installed a new radio in his car.
Here, 'otomobiline' shows the object of caution where the car's well-being is emphasized.