2009 Lexus ES350 change key battery

35
1-2. Opening, closing and locking the doors and trunk
1
Before driving
ES350_U_(L/O_0808)
■When the electronic key battery is fully depleted
→P. 3 4 2
■Conditions affecting operation
→P. 2 6
■Customization that can be configured at Lexus dealer
Settings (e.g. trunk unlocking function) can be changed. (Customizable features
→P. 4 4 7 )
■Certification for wireless remote control
For vehicles sold in the USA
FCC ID: HYQ14AAB
FCC ID: HYQ13BZH
FCC ID: HYQ14ABK
FCC ID: HYQ13BZW
NOTE:
This device complies with Part 15 of the FCC Rules. Operation is subject to the fol-
lowing two conditions: (1) This device may not cause harmful interference, and (2)
this device must accept any interference received, including interference that may
cause undesired operation.
NOTICE:
This equipment has been tested and found to comply with the limits for a Class B
digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to
provide reasonable protection against harmful interference in a residential installa-
tion. This equipment generates, uses and can radiate radio frequency energy and, if
not installed and used in accordance with the instructions, may cause harmful inter-
ference to radio communications. However, there is no guarantee that interference
will not occur in a particular installation. If this equipment does cause harmful inter-
ference to radio or television reception, which can be determined by turning the
equipment off and on, the user is encouraged to try to correct the interference by
one or more of the following measures:
●Reorient or relocate the receiving antenna.
●Increase the separation between the equipment and receiver.
●Connect the equipment into an outlet on a circuit different from that to which
the receiver is connected.
●Consult the dealer or an experienced radio/TV technician for help.

137
2-3. Operating the lights and windshield wipers
2
When driving
ES350_U_(L/O_0808)
■Automatic light off system
●When the headlights come on: The headlights and tail lights turn off 30 seconds
after all doors are closed with the “ENGINE START STOP” switch switched to
ACCESSORY mode or turned OFF. (The light turns off immediately if
the button on the key is pressed after all doors are locked.)
●When only the tail lights come on: The tail lights turn off automatically if the
“ENGINE START STOP” switch is switched to ACCESSORY mode or turned
OFF and driver’s door is opened.
To turn the lights on again, switch to IGNITION ON mode, or turn the light switch
OFF once and then back to the
or position.
■Automatic headlight leveling system (vehicles with discharge headlights)
The level of the headlights is automatically adjusted according to the number of
passengers and the loading condition of the vehicle to ensure that the headlights do
not interfere with other road users.
■If the indicator flashes... (vehicles with discharge headlights)
It may indicate a malfunction in the system. Contact your Lexus dealer.
■Customization that can be configured at Lexus dealer
Settings (e.g. light sensor sensitivity) can be changed. (Customizable features →P.
447)
NOTICE
■To prevent battery discharge
Do not leave the lights on longer than necessary when the engine is not running.

412
5-2. Steps to take in an emergency
ES350_U_(L/O_0808)
Changing “ENGINE START STOP” switch modes and starting the engine
Shift the shift lever to P and apply the brakes.Touch the Lexus emblem side of
the electronic key to the
“ENGINE START STOP” switch.
An alarm will sound to indicate that
the start function cannot detect the
electronic key that is touched to
the “ENGINE START STOP”
switch if any of the doors is opened
and closed while the key is touched
to the switch.
To change “ENGINE START ST OP” switch modes: Within 10
seconds of the buzzer sounding, release the brake pedal and
press the “ENGINE START STOP” switch. Modes can be
changed each time the switch is pressed.
(→ P. 1 1 6 )
To start the engine: Press the “ENGINE START STOP” switch
within 10 seconds after the buzzer sounds, keeping the brake
pedal depressed.
In the event that the “ENGINE START STOP” switch still cannot be oper-
ated, contact your Lexus dealer.
STEP1
STEP2
■Stopping the engine
Shift the shift lever to P and press the “ENGINE START STOP” switch as you nor-
mally do when stopping the engine.
■Replacing the key battery
As the above procedure is the temporary measure, it is recommend that the elec-
tronic key battery be replaced immediately when the battery depletes. ( →P. 3 4 2 )
STEP3

461
Alphabetical index
ES350_U_(L/O_0808)
Back-up lightsWattage ................................................... 431
Battery Checking ................................................322
If the vehicle has discharged battery.................................................... 413
Preparing and checking before winter ...................................... 172
Bluetooth
®..............................................225
Brake
Fluid ............................................................ 319
Parking brake ........................................ 123
Brake assist ............................................... 161
Break-in tips .............................................109
Care Exterior ....................................................292
Interior..................................................... 295
Seat belts ............................................... 296
Cargo capacity .......................................168
Cargo hooks ...........................................278
CD changer ........................................... 205
CD player................................................ 205
Chains......................................................... 174
Child restraint system Booster seats, definition.................... 93
Booster seats, installation ............... 100
Convertible seats, definition ........... 93
Convertible seats, installation ...... 100
Front passenger occupant
classification system ........................ 88
Infant seats, definition ......................... 93
Infant seats, installation..................... 100 Installing CRS with lower
anchorages...........................................98
Installing CRS with seat belts ........ 100
Installing CRS with top straps....... 103
Child safety Airbag precautions ..............................83
Battery precautions ............... 324, 415
Child restraint system ......................... 93
Child-protectors ...................................38
How your child should wear
the seat belt .......................................... 53
Installing child restraints..................... 97
Moon roof precautions......................66
Power window lock switch ..............60
Power window precautions ............ 62
Removed electronic key battery
precautions........................................343
Seat belt comfort guide .......................51
Seat belt extender precautions......55
Seat belt precautions .......................... 53
Seat heater precautions.................... 271
Trunk precautions................................. 42
Child-protectors ......................................38
Cigarette lighter.................................... 267
Cleaning Exterior.................................................... 292
Interior .....................................................295
Seat belts ................................................296
Clock ......................................................... 265
Compass ..................................................286
Condenser ............................................... 319
Console box ........................................... 257
B
C