How to install double brake lights 

Double brake lights are on most vehicles.
It seems to only be fitted to the top trim models.
It's a little disappointing because it's a safety related part.
The cost is really low, but the effect is worth the work.
If you are interested, please try the DIY challenge :)
※Reference = mr-bigbear.tis...
▶ Necessary tools
double socket
flat screwdriver
Watch driver or awl or toothpick, etc.
Wiring to be extended, insulating tape, cable ties, etc.
▶LF Sonata, Avante AD various DIY information
mr-bigbear.tis...