Garda patrol cars are mainly white, with yellow and blue fluorescent livery whereas traffic unit vehicles adopt the battenburg pattern. The Garda crest is also present on vehicles. An Garda Síochána also use unmarked patrol cars in their duties and use of such vehicles is increasing becoming a matter of cost rather than the need to hide the vehicles, as the amendments to the exterior of the vehicle such as LED strobes, Tetra aerials and bumper LEDs in particular are extremely visible.