It will vary based on Lexus model and year. See sources and related links below for wiper blade installation videos. You may want to lookup the wipers for your make, model and year on this site and then go back to the video page.
The replacement wiper blades will come with instructions on how to remove and install the wiper blades. Your owners manual should also have instructions if you don't follow the instructions on the replacement wiper blades.
What are you removing? The blades or the arms
read the instructions that came with the new wiper blades
pull off the wiper blade with and outward motion with your arm and slam the new set of wiper blades back on
No model year was given, however as of this writing, all Lexus RX350's have the same rear wiper arm attachment (although the different generations take different lengths of special wiper blades for that arm). See sources and related links below for an installation video and to lookup the correct rear wiper blade. Note these blades are hard to find in stores so you may just want to buy it.
Very simple there is a huck on wiper just remove and install.
The 1999 Lexus ES300 a wiper blade sizes are 22" drivers and 18" passenger side wiper blades. See sources and related links below for more information. Since there are over 22 different wiper arm attachments, do not buy wipers just by length only. Be sure to lookup exact wiper blade part numbers by vehicle make, model and year for the brand wiper you decide to purchase. This ensures correct length AND correct attachment.
they pull upward off the spline posts.
The 1994 Lexus Ls400 has fairly standard wiper arms so most replacement wiper blades will have step-by-step instructions. This vehicle most likely has hook-end wiper arm attachments or possibly pin attachments. See videos below.
The Lexus RX300 has the most common hook-end wiper arms. See Sources and Related Links below for installation videos. Also, purchase the replacement blades first and there will be additional instructions/illustrations on the replacement packages. Locate and press the tab or button where the wiper blade is inserted into the hook of the wiper arm and pull wiper blade out of hook. You may have to rotate and flex the blade to make enough clearance for the hook to pass through.
The Lexus RX300 has the most common hook-end wiper arms. See Sources and Related Links below for installation videos. Also, purchase the replacement blades first and there will be additional instructions/illustrations on the replacement packages. Locate and press the tab or button where the wiper blade is inserted into the hook of the wiper arm and pull wiper blade out of hook. You may have to rotate and flex the blade to make enough clearance for the hook to pass through.
Yes, the Avalons were manufactured with wiper blades, what about them?