The object of the invention is a method of fixing a outer lens to the
housing of a lighting and/or signaling device for an automobile, the
housing being provided, in the area of joining with the outer lens, with
a bonding groove, a method during which adhesive which is not totally
hardened is disposed in the said groove, the foot of the outer lens is
inserted in a groove so that it is outer lens with adhesive over a
sufficient height, the adhesive hardens in particular to fix the foot of
the outer lens in the bonding groove. At least one step of temporary
fixing of the outer lens to the housing is provided, after the insertion
of the foot of the outer lens in the bonding groove and after any
hardening of the adhesive.