At front, there are high intensity headlamps incorporated on either sides of the radiator grille. (cardekho.com)
If the top of a radiator feels cooler than the bottom then it probably needs bleeding to get rid of trapped air. (idealhome.co.uk)
It is generally located behind the bumper on either side of the car (not in front of the radiator) in front of the inner fender. (mechanics.stackexchange.com)