You may need to take out the battery compartment or air filter if the other side for better access. Take off the rubber cap and use your thumb and index finger to squeeze the metal wire spring together,(you won't see it but you will feel it) and pull out.
I know what a bugger job it is. I broke the spring and held the new bulb in by card board....How to replace a bulb a headlight bulb on a rover 400?Your average cars headlights can be reached by popping the hood. Once the hood is popped you can look down between the radiator and front clip and there is a white or yellow plug that you twist and it will pull out exposing the bulb. All you have to do now is replace the bulb and plug it back in.