text: yaar,mujhe car ki oil change karwani hai, par mujhe samajh nahi aa raha kaun sa oil use karu, kya tumhare paas koi recommendation hai?haan, dekho, agar tu regular driving karti hai toh synthetic oil best hoga, lekin agar kabhi kabhi chalaati hai toh normal oil bhi chalega, bas check karna mat bhool!