WHAT DOES GEARBOX AUTO MEAN?

Salam bos. Saya pakai kelisa 1.0 auto. Masalah sy kadang2 bila nak tukar equipment R ke P enjin tiba2 mati. Pastu kadang2 bila nak masuk parking nk membelok pun enjin boleh mati dngn tiba2. Pomen ckp masalah gearbox. Betol ke manager?It did not choose extended for automotive pioneers to start tinkering with the concept of automating the equipment-s