Warning Triangle Small finds application in tractors and slow moving vehicles. Hilux Autoelectric Pvt. Ltd. Manufactures Warning Triangle Small. The other products manufactured by Hilux Autoelectric Pvt. Ltd. Include Switches, Wheels, and Indicators. Construction of Warning Triangle Small - 240mm is in ABS Housing and lens acrylic. All metal parts are galvanized with a generous zinc coating to ensure corrosion resistance.