The proposals for Toyota and Lexus car showrooms are one of the most ambitious lighting design projects that I have had. The two objects together occupy an area of about 4 thousand sq. m. The most important information that I relied on in this project was the amount of illumination prescribed by the customer, so, for example, there should have been from 1500 to 2000 lx at the level of the car hoods, 400 lx in working areas at the level of 0.8 m (table) etc. Only a small part of the work is presented here, for 3 months in total, about 10 ceiling plans with lighting equipment were made, plus various specifications with quantity, capacities, finishing options, etc. were always attached to the calculations.