Canadian Hummer Club Forums

Looking for replacement bulbs for heater controls in a 2006 H3.  Dealer says discontinued.   Any idea if they are a t4 base or t3.
 
First time Hummer owner -- 1 month in --- just got a pile of snow --- wow these things are fun.

An Amazon search will do wonders....
 
https://www.amazon.ca/Heater-Climate-Control-cciyu-Lights/dp/B072TR6N5S/ref=sr_1_2?ie=UTF8&qid=1547770352&sr=8-2&keywords=hummer+h3+heater+control+light+bulb