If you're installing these for the first time, keep these default controls in mind: Cycle through parking lights and low beams. K: Toggle high beams (requires low beams to be on). O: Activate beacon and strobe lights.
Accessories often include roof and bottom grills, small LED lights (with or without reflection), and sunshields specifically for trucks like the Scania S 2016.
Many packs include high-quality models of real-world lights, such as Strands Ambassador 9 " or Hella halogens .