To remove

LH: Move the radiator hose to the side and remove the battery cover.

Fig 1: Illustration For Step 1-2
Courtesy of SAAB-SCANIA OF AMERICA, INC.
LH: Remove the air inlet pipe from the lower battery cover.
Remove the protective cover of the headlamp.
Undo the bulb socket by turning it anticlockwise slightly and pulling it out of the reflector.

Fig 2: Illustration For Step 4-5
Courtesy of SAAB-SCANIA OF AMERICA, INC.
Remove the bulb from the bulb socket.