Do you want change the bulbs or the whole assembly?
Changing only the bulb requires,usually, using to go under the front bumper and unscrewing the back or bottom of the assemly to get to the bulb. So basically its changed from behind.
We all get the urge...Saturday early morning...nothing to do till noon...
The aural sensations of 1st gear WOT
**CGM **(Certified Garage Mechanic)