Here is a short video that goes over how to get to and replace the lights in your climate control center on a 1999 Toyota 4Runner.

Replacement Bulbs:
https://www.amazon.com/gp/product/B00...
These bulbs are rated for 14V. In my testing, I only saw 5V at the bulb socket. It was later pointed out that my dimmer switch was probably active, and it would be using direct battery voltage (11-14v) when at full brightness.


Green Bulb Boots:
https://www.amazon.com/gp/product/B01...