remote start Lexus GS450h 2010 Using The Audio System / LEXUS 2010 GS450H (OM30C81U) User Guide

426
3-7. Other interior features
GS_HV_U (OM30C81U)
January 28, 2010 1:38 pm
■Programming an entry gate (for U.S.A. owners)/Programming all
devices in the Canadian market
Place your transmitter 1 to 3 in. (25 to 75 mm) away from the sur-
face of the HomeLink
®.
Keep the indicator light on the HomeLink® in view while programming.
Press and hold the selected HomeLink® button.
Repeatedly press and release (cycle) the device’s remote control
button for two seconds each until step 4 is completed.
When the indicator light on the HomeLink
® compatible trans-
ceiver starts to flash rapidly, release the buttons.
Test the operation of the HomeLink
® by pressing the newly pro-
grammed button. Check to see if the gate/device operates cor-
rectly.
Repeat the steps above to program another device for each of
the remaining HomeLink
® buttons.
■Programming other devices
To program other devices such as home security systems, home door
locks or lighting, contact your authorized Lexus dealer for assistance.
■Reprogramming a button
The individual HomeLink
® buttons cannot be erased but can be
reprogrammed. To reprogram a button, follow the “Reprogramming a
HomeLink
® button” instructions.
STEP1
STEP2
STEP3
STEP4
STEP5
STEP6

495
4-3. Do-it-yourself maintenance
4
Maintenance and care
GS_HV_U (OM30C81U)
October 13, 2015 12:41 pm
■If the electronic key battery is discharged
The following symptoms may occur.
●The smart access system with push-button start and wireless remote control will
not function properly.
●The operational range is reduced.
■Use a CR1632 lithium battery
●Batteries can be purchased at your Lexus dealer, jewelers, or camera stores.
●Replace only with the same or equivalent type recommended by your Lexus
dealer.
●Dispose of used batteries according to the local laws.
■When the card key battery needs to be replaced
The battery for the card key is available only at Lexus dealers. Your Lexus dealer
can replace the battery for you.
CAUTION
■Removed battery and other parts
Keep away from children. 
These parts are small and if swallowed by a child they can cause choking.
NOTICE
■For normal operation after replacing the battery
Observe the following precautions to prevent accidents.
●Always work with dry hands.
Moisture may cause the battery to rust.
●Do not touch or move any other components inside the electronic key.
●Do not bend the battery terminals.

5
When trouble arises
575
5-2. Steps to take in an emergency
GS_HV_U (OM30C81U)
October 13, 2015 12:41 pm
If the electronic key does not operate properly
Locking and unlocking the doors, unlocking the trunk and key linked
functions
Doors
Using the mechanical key (
P. 37)
in order to perform the following
operations:
Locks all doors
Closes the windows/moon roof
(turn and hold)
Unlocks the door
Turning the key rearward unlocks
the driver’s door.
Turning the key once again unlocks
the other doors.
Opens the windows/moon roof
(turn and hold)
If communication between the electronic key and vehicle is interrupted
(
P. 45) or the electronic key cannot be used because the battery is
depleted, the smart access system with push-button start and wireless
remote control cannot be used. In such cases, the doors and trunk can be
opened or the hybrid system can be started by following the procedure
below.