Turns the lights on/off
When the lights are on due to the door link switch, a light will not turn off even if its switch is pressed.

■Illuminated entry system
Vehicles without a smart key system
When the interior light switch is in the door position, the interior lights automatically turn on/off according to the engine switch position, whether the doors are locked/unlocked and whether the doors are open/closed.
Vehicles with a smart key system
When the interior light switch is in the door position, the interior lights and engine switch light automatically turn on/off according to engine switch mode, the presence of the electronic key, whether the doors are locked/unlocked and whether the doors are open/closed.
■Outer mirror illumination (if equipped) The illumination automatically turns on according to the presence of the electronic key (vehicles with a smart key system), or the doors are unlocked.
■To prevent battery discharge The following lights will turn off automatically after 20 minutes:
■Customization Settings (e.g. the time elapsed before lights turn off) can be changed.
Interior lightsToyota CH-R Service Manual > Lighting System: Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Lighting System
DTC No.
Detection Item
Note
Link
B1244
Light Sensor Circuit Malfunction
-
B242C
Right Headlight ECU Malfunction
...
Toyota CH-R Service Manual > Smart Key System(for Start Function): Engine does not Start
DESCRIPTION
When the electrical key transmitter sub-assembly is in the cabin and the engine
switch is pressed, the certification ECU (smart key ECU assembly) receives a signal
and changes the power source mode. Additionally, when the shift lever is in P and
the brake pedal is depressed, the e ...