auto-

Reflexive, regarding or to oneself.

auto- + biography → autobiography

auto- + erotic → autoerotic

Automatic.

auto- + focus → autofocus

auto- + loader → autoloader

Self-propelled.

auto- + cab → autocab

auto- + car → autocar

Relating to cars or the driving of cars.

auto- + cross → autocross

auto- + -phile → autophile