Hi everyone, I'd like to share my experience in replacing the low beams with Philips DiamondVision 5000K bulbs. While the Philips CrystalVision 4300K bulbs are readily available in North America and should actually match the LED DRLs, I've decided to be a bit more adventuruous and go for the 5000K ones that are only available in Japan/Asia. I've got my hands on two pairs today (for replacing low beam and fog lamps), and after assessing the difficulty in replacing each set, I've decided to only swap the low beams for now.
Installation was a bit more time-consuming than I thought, but overall it was easy. I printed out the instructions from the DIY maintenance PDF file on Lexus.com, which are easier to work with than the owner's manual, and headed to my car. To ensure that I don't accidentally put oil onto the bulbs, I wore a pair of cleaning glove and dusted it with baby powder. If you are very careful, you actually can replace the bulbs without touching it - you just need to hold the socket part. It took me, a novice, about 15 minutes to finish the job.
In some angle, the DiamondVision bulbs do look more blue than the LED, but for the most part they match enough. In terms of brightness, they should be weaker than the CrystalVision bulbs, but are stronger than the stock bulbs. See below for couple photos I took (I apologize if they don't provide a good comparison since the the lights and body color constrasted too much). Overall I am pretty satisfied, and I'll comment more once I take my CT for a drive later. I also hope to build up enough confidence to replace the fog myself and will certainly provide some more feedback when that it completed.
Installation was a bit more time-consuming than I thought, but overall it was easy. I printed out the instructions from the DIY maintenance PDF file on Lexus.com, which are easier to work with than the owner's manual, and headed to my car. To ensure that I don't accidentally put oil onto the bulbs, I wore a pair of cleaning glove and dusted it with baby powder. If you are very careful, you actually can replace the bulbs without touching it - you just need to hold the socket part. It took me, a novice, about 15 minutes to finish the job.
In some angle, the DiamondVision bulbs do look more blue than the LED, but for the most part they match enough. In terms of brightness, they should be weaker than the CrystalVision bulbs, but are stronger than the stock bulbs. See below for couple photos I took (I apologize if they don't provide a good comparison since the the lights and body color constrasted too much). Overall I am pretty satisfied, and I'll comment more once I take my CT for a drive later. I also hope to build up enough confidence to replace the fog myself and will certainly provide some more feedback when that it completed.