2004 Lexus LS 430 User Guide 2 - Page 271

AIR CONDITIONING (d) Replacing the photocatalyst filter for the rear seats This rear air conditioning is equipped with dustproof and deodorant filter with photocatalyst. Replace the air filter when the use of rear air conditioning or air purification function reduces air flow or deodorant performance. This filter is an interchangeable type. Do not clean the filter by washing or air blowing. The use of filter after washing or cleaning may cause a malfunction of the system. Be sure to replace it with a new one. The filter is located in the trunk. Replace the filter using the following procedures. 1. Be sure to turn the ignition switch to "LOCK". 21L211 " 1 Filter case 2 Filter 3. Pull out the filter case toward you. 4. Replace the filter. When you install the filter, face the filter surface (gray) downward and fit the filter folds properly in the case as shown. 5. Install the filter in the reverse order of removal. The gray surface in the filter may turn to yellow (yellow spots) because of ultraviolet rays included in the light, however it is no problem for use. 21L210 " 1 Air purifier 2 Filter cover 2. Open the trunk and remove the filter cover in the trunk. 253