right next to the gas pedal on the right pull back carpet back so it's a little difficult cuz you got to put it underneath the gas pedal you'll see a door open the door up you probably don't have one in there you can buy them I have one in my ES300
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I’m thinking there may be provisions for adding a cabin filter.. Maybe try a Lexus forum..
right next to the gas pedal on the right pull back carpet back so it's a little difficult cuz you got to put it underneath the gas pedal you'll see a door open the door up you probably don't have one in there you can buy them I have one in my ES300