SYSTEM DIAGRAM
w/ Manual (SOS) Switch
w/o Manual (SOS) Switch
for 9 Speakers
for 12 Speakers 
Parts Location
System DescriptionLexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Horn System: Precaution
PRECAUTION PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE BATTERY TERMINAL NOTICE: When disconnecting the cable from the negative (-) battery terminal, initialize the following systems after the cable is reconnected. System Name See Procedure Lane Control System Pre-collision Sys ...
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Telephone Microphone Assembly: Installation
INSTALLATION PROCEDURE 1. INSTALL TELEPHONE MICROPHONE ASSEMBLY (a) Engage the 2 claws to install the telephone microphone assembly to the No. 1 microphone case. *1 Telephone Microphone Assembly *2 No. 1 Microphone Case Install in this Direction (Telephone Microphone Assembly) ...