I just upgraded the mirror on my 2020 RST. The wiring harness was glued up above the center light module. I used a hair dryer to soften the glue and was able to detach it. Verified wiring had power. I ordered the mirror with auto dim and the garage door opener from the owner accessories site at Chevrolet.com. P/N is 84738651 and it took about 3 weeks to get. I used my points so I was only out about $80. Got it today and hooked it up. Took about 10 minutes and that was with programming the opener. It really is plug and play. The auto dim feature works well and the opener is a nice upgrade too. Super simple mod and worth every penny!
