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.Reassembly
REASSEMBLY
PROCEDURE
1. INSTALL NO. 1 INSTRUMENT PANEL PIN
(a) Install the 2 No. 1 instrument panel pins with the 2 screws <E> or
<F>.
2. INSTALL GLOVE BOX LIGHT ASSEMBLY
...
Throttle / Pedal Position Sensor / Switch "A" Circuit Malfunction (P0120-P0123,P0220,P0222,P0223,P2135)
DESCRIPTION
HINT:
These DTCs relate to the throttle position sensor.
The throttle position sensor is mounted on the throttle body, and detects the
opening angle of the throttle valve. This sensor is a non-contact type sensor. It
uses hall-effect element ...
Switch Failure (B2342)
DESCRIPTION
This DTC is output when the sliding roof ECU (sliding roof drive gear sub-assembly)
detects that the sliding roof switch is stuck for 30 seconds or more.
DTC Code
DTC Detection Condition
Trouble Area
...