DTC 4-5
DTC 4-5 EMERGENCY, VOL+ or VOL- Button StuckDESCRIPTION
DTC Detection Condition:
This DTC is output when either of the following occurs: 1) the mayday ECU is malfunctioning; or 2) the mayday switch on the map light assembly is malfunctioning.
Step 1-2:
INSPECTION PROCEDURE