1999 Lexus LS400 change key battery

KEYS AND DOORS
26
CAUTION
Changes or modifications not expressly approved by
the party responsible for compliance could void the
user's authority to operate the equipment.
For vehicles sold in CanadaThis device complies with RSS±210 of Industry
Canada.
Operation is subject to the following two
conditions: (1) this device may not cause
interference, and (2) this device must accept any
interference, including interference that may
cause undesired operation of the device.Replacing the battery
When you replace the battery, prepare a lithium battery
CR1616 and a special screwdriver.

SWITCHES
37
The automatic light control sensor is on top of the
driver's side instrument panel.
Do not place anything on the instrument panel, and/or do
not affix anything on the windshield to block this sensor.
When the headlights come on, the lights automatically
turn off about 30 seconds after any of the doors is
opened and closed with the ignition key turned to the
ºACCº or ºL
OCKº position.** To turn them on again, turn
the ignition key to the ºONº position, or turn the headlight
switch off and then twist the knob until the first or second
clickstop. If you are going to park for over one week,
make sure the headlight switch is off.
When the headlight switch is on with all the doors locked,
pushing the ºLOCKº button on the wireless remote
control key turns off the headlights.
NOTE: *The operating condition or sensitivity can be changed. **The time before turning off the lights can
be changed. Ask your Lexus dealer for details.
Daytime Running Light System
The headlights turn on at reduced intensity when the
parking brake is released with the engine started, even
with the light switch in the ºOFFº position. They will not
go off until the ignition switch is turned off.
To turn on the other exterior lights and instrument panel
lights, twist the knob to the first clickstop.
Twist the knob to the second clickstop to turn on the
headlights to full intensity for driving at night.
When setting the knob to the third clickstop (ºAUTOº),
the headlights will automatically adjust to full intensity
and/or turn on the other lights depending on the
darkness of the surroundings. Likewise, as the
surroundings become brighter, the headlights will turn to
reduced intensity, ultimately turning off the other lights.
NOTICE
To prevent the battery from being discharged, do not leave the lights on longer than necessarywhen the engine is not running.

COMFORT ADJUSTMENT
206Conditions for memorized position activation

Ignition key ºONº and selector lever in ºPº position.
All parts of the memorized positions can be activated.
However, if the brake pedal is being depressed, the
seat position will not change.
 Key not in ignition switch and within 30 seconds of
opening driver's door.
The memorized position can be activated, except for
the tilt and telescopic steering.
If any driving position memory switch is pushed while
one of the memorized driving position profiles is being
activated, the operation will stop.
To activate the system, push the desired button (º1º or
º2º) again.
The driving position memory control system cannot be
operated while the vehicle is moving.
If the vehicle's battery is disconnected, the computer's
memory will be erased and the memorized positions will
have to be set again.

STARTING AND DRIVING
277
ºSTARTº ± Starter motor on. The key will return to
the ºONº position when released.
For starting tips, see page 280.
ºONº ± Engine on and all accessories on.
This is the normal driving position.
NOTICE
Do not leave the key in the ºONº position if the
engine is not running. The battery will dischargeand the electronic ignition system/distributorignition system could be damaged.
ºACCº ± Accessories such as the radio operate, but
the engine is off.
If you leave the key in the ºACCº or ºLOCKº position and
open the driver's door, a buzzer will remind you to
remove the key.*
NOTE: *The volume or interval of beep sound can bechanged. Ask your Lexus dealer for details.