Upgrade of the standard light bulbs for the interior lighting and trunk lighting in my Nissan Leaf with ultra-bright LED lamps. I used cold white and neutral white LEDs. But there are also warm white and colored LED lamps.
Blauertacho4u.de has these ultra-bright LED lamps that I used.
https://www.blauertacho4u.de/MaXlume-...

LED lamps on Amazon https://amzn.to/3gfI6ro