This is the 2844th most frequent Russian word.
автомобилем
The Russian word "автомобилем" means "by car" or "with the car" in English (instrumental case of "автомобиль").
Here, 'автомобилем' is used in the instrumental case to indicate the means of transportation.
Я управляю автомобилем каждый день.
I drive the car every day.
In this sentence, 'автомобилем' again takes the instrumental case, showing the means or cause of the blockage.
Дорога была заблокирована неработающим автомобилем.
The road was blocked by a broken car.
Here, 'автомобиле' in its dative case form (in the phrase 'на автомобиле') indicates traveling by means of a car.