If you've never paired this particular headset and phone, or phone and head unit, or phone and Bluetooth car kit, then you'll want to start by making sure that the devices are actually compatible.
Ọ bụrụ na ị jikọtaghị ekwe ntị na ekwentị a, ma ọ bụ ekwentị na isi ihe, ma ọ bụ ekwentị na ngwa ụgbọ ala Bluetooth, mgbe ahụ, ị ga-achọ ịmalite site na ijide n'aka na ngwaọrụ dị mma.