hi ,ahsan , i hve santro , i hve the same problem . yaar yeh problem sirf fan kee hai , dont u worry , u can fix it by urself. as i did so . go to some gud electrician and just tell him kay fan ka autometic switch check ker dai . simply woo work nai ker raha , jiss kee wajha say AC pay fan chaltay hee car coool ho jati hai . kabi notice kerna kay fan ko direct keroo ghay too foran coool ho jay ghi . so nothing needs to be done with radiator waghaira yaar. its all about fan. switch check kerwa yaar simple.