Hint:
Past problems that seem unrelated may also help in some cases.

Operation flow
Symptom confirmation and diagnostic trouble codePassenger side buckle switch circuit malfunction
Description
The passenger side buckle switch circuit consists of the occupant
classification ecu and the front seat
inner belt rh.
Dtc b1771 is recorded when a malfunction is detected in the passenger side
buckle switch circuit.
Troubleshoot dtc b1771 first when dtcs b1771 and b1795 ...
Using the radio
Power
Volume
Adjusting the frequency
Scanning for receivable stations
Am/fm mode button
Station selectors
Seeking the frequency
Displaying text message
Setting station presets
Search for the desired stations by turning the ¢Â§tune¢escroll¢¸
knob or ...
Switches
Driving position memory switches*1
Window lock switch
Power window switches
Door lock switches
Outside rear view mirror switches
"ODO TRIP" switch (vehicles with 7-inch multi-information display)
"ODO TRIP" switch (vehicles with 12.3-inch multi-information
display)
Instrument panel light ...