Hi, i own a 2013 RX CPO. I noticed a month ago the drivers side "dotted" headlights looked dimmer, or a different tint from the passenger side. Now, all the dotted lights no longer work on the drivers side. With none of them working, this suggests to me it's not a "wear and tear" burned out bulb but something else going on, hopefully covered under warranty. What do you all think? Also, what is the 'official' name of these little lights?

 

Are you referring to the LED day time running lights?
These LED lights should last the life of the car. does the low beam work? Sounds like the product is defective. How long have you had the vehicle? I also own a 2013 and no issues so far.
Hopefully this is something the dealer can do for you. Although the CPO only covers power train warranty, I doubt this falls under that category. If you only recently purchased the vehicle, the dealership should be able to fix it. If you're to pay out of your own pocket, I imagine this can be expensive.

 

http://www.ebay.com/itm/2013-2014-20...lXxxKZ&vxp=mtr

I have no idea how hard it would be to change out the DRL but looks like they can be found affordable!

 

Sounds like a possibly warranty item.

 

They should replace the headlight housing because the LEDs are not serviceable. I had an issue on my 2013 CPO with just 1 LED that burnt out and they replaced the housing. A friend of mine had a similar issue with the LED turn signal in the side mirror and they replaced his mirror.