The following warning indicates a possible problem in the brake system.
Immediately stop the vehicle in a safe place and contact your Toyota dealer.

If a warning light turns on or a warning buzzer sounds...
Stop the vehicle immediately.Installation
INSTALLATION
PROCEDURE
1. INSTALL THERMOSTAT
(a) Install a new gasket to the thermostat.
(b) Install the thermostat with the jiggle valve facing upward.
HINT:
The jiggle valve may be set to within 10° on either side of the prescribed
...
Rear Door RH ECU Communication Stop (B2323)
DESCRIPTION
This DTC is stored when LIN communication between the power window regulator
motor assembly (for rear RH side) and main body ECU (driver side junction block
assembly) stops for more than 10 seconds.
DTC No.
DTC Detection ...
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
...