The following warning indicates the possibility of damage to the vehicle that may lead to an accident. Immediately stop the vehicle in a safe place and contact your Toyota dealer.

Stop the vehicle immediately. Continuing to drive the vehicle may be dangerous.
Have the vehicle inspected immediately.Installation
INSTALLATION
PROCEDURE
1. INSTALL NAVIGATION RECEIVER ASSEMBLY
2. INSTALL NO. 2 RADIO RECEIVER BRACKET
(a) Install the No. 2 radio receiver bracket with the 4 screws.
Torque:
5.0 N·m {51 kgf·cm, 44 in·lbf}
3. INSTALL NO. 1 RADIO RECEIVER BRACKET
(a ...
Precaution
PRECAUTION
NOTICE:
When disconnecting the cable from the negative (-) battery terminal, initialize
the following systems after the cable is reconnected.
System Name
See Procedure
Back Door Closer System
...
System Diagram
SYSTEM DIAGRAM
Communication Table
Transmitting ECU (Transmitter)
Receiving ECU (Receiver)
Signal
Line
Certification ECU
(Smart key ECU assembly)
Main body ECU
(Driver side junc ...