After taking the specified steps to correct the suspected problem, check that the warning light turns off.



Have the vehicle inspected immediately.
Follow the correction procedures. (smart key system)All Door Entry Lock/Unlock Functions and Wireless Functions do not Operate
DESCRIPTION
When the entry door lock and unlock functions and wireless door lock and unlock
functions do not operate, radio wave interference, or a malfunction in the key or
signal circuit between the door control receiver assembly and certification ECU
...
SD Card Communication Malfunction (B158C)
DESCRIPTION
The navigation receiver assembly stores this DTC when the SD card (disc player
disc) cannot be mounted when inserted into the SD card (disc player disc) slot.
DTC No.
DTC Detection Condition
Trouble Area
...
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms.
If multiple suspected areas are listed, the potential causes of the symptoms
are listed in order of probability in the "Suspected Area" ...