Electronic Key Alarm - Lexus IS250 2009 Service Manual

Electronic Key Alarm

The electronic key alarm uses an alarm and warning messages to indicate that the electronic
key has been used improperly. Take appropriate measure in response to any warning mes-
sages that are displayed. In some cases, an alarm may sound without an accompanying
warning message. If so, follow the correction procedure in the table below.
Alarm
Exterior alarm sounds
once for 2 seconds
Exterior alarm sounds
once for 60 seconds
Exterior alarm sounds
once for 10 seconds
Interior alarm sounds
continuously*
Interior alarm pings
continuously
*: Vehicles with automatic transmission only
IS_U (L/O_0808)
Situation
Tried to lock the doors
using the entry function
while the electronic key is
still inside the passenger
compartment
Closed the trunk while the
electronic key is still inside
and all doors are locked
Tried to exit the vehicle
with the electronic key and
lock the doors without first
turning the "ENGINE
START STOP" switch OFF
Tried to lock the vehicle
using the entry function
while a door is open
Tried to open the door and
exit the vehicle without
shifting the shift lever to P
Switched to ACCES-
SORY mode while the
driver's door is open
(Opened the driver's door
when the "ENGINE
START STOP" switch is in
ACCESSORY mode.)
Turned the "ENGINE
START STOP" switch OFF
while the driver's door is
still open
Correction procedure
Retrieve the electronic key
from the passenger com-
partment and lock the
doors again.
Retrieve the electronic key
from the trunk and close
the trunk lid.
Turn the "ENGINE START
STOP" switch OFF and
lock the doors again.
Close all of the doors and
lock the doors again.
Shift the shift lever to P.
Close the driver's door.
Close the driver's door.
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