change key battery lexus LS400 1994 Gauges, Meters and Service Reminder Indicators / 1994 LS400: AIR CONDITIONING AND AUDIO

AIR CONDITIONING AND AUDIO
11 3
Indicator light
Once the system is set, the indicator light turns on and off with
the ignition switch in “OFF” and “SEC” will appear each time
the key is turned to the “ACC” position.
To change the identification number for some reason, cancel
the system (See “(b) Cancelling the anti-theft system”.) and set
it again with a new number.
The system will be activated if the electrical power source is
disconnected from the radio unit. When the system is
activated, the audio system cannot be turned on even after the
power supply resumes and “SEC” will appear on the display.
If this happens, such as when the battery is discharged, see
“(c) If the anti-theft system is activated”.(b) Cancelling the anti-theft system
1. Follow steps 1 to 4 described in “(a) Setting the anti-theft
system”.
2. With your identification number appearing on the display,
press the (SCAN) button and hold it in until “− − −” appears
on the display. “− − −” will go off to indicate the system is
cancelled. If invalid buttons have been used. “Err” will appear
on the display and “SEC” appears. Try again from step 3 in “(a)
Setting the anti-theft system”.
The number displayed with “Err” indicates how many errors
you have made. You may make up to nine errors, but no more!