2004 Lexus GX470 ignition

OCCUPANT RESTRAINT SYSTEMS
180
The indicator comes on when the ignition key is turned to
the ONº position. It goes off after about 6 seconds. This
means the SRS side airbags and curtain shield airbags are
operating properly.
This warning light system monitors the airbag sensor
assembly, front airbag sensors, side and curtain shield airbag
sensor assemblies, curtain shield airbag sensor assemblies,
driver's seat position sensor, driver's seat belt buckle switch,
front seat belt pretensioner assemblies, inflators, warning light,
RSCA OFFº indicator light, interconnecting wiring and power
sources. (For details, see Service reminder indicators and
warning buzzersº on page 57 for instructions.)
If any of the following conditions occurs, this indicates a
malfunction of the airbags or seat belt pretensioners. Contact
your Lexus dealer as soon as possible.
When the ignition key is turned to the ONº position, the light
does not come on, remains on or flashes.
The light comes on or starts flashing while driving.If the light stays on, it indicates that the SRS front airbags have
a problem. If the light flashes, the SRS side and curtain shield
airbags have a problem.

OCCUPANT RESTRAINT SYSTEMS
183
Roll sensing of curtain shield airbags off
switch
The roll sensing of curtain shield airbags off switch
(RSCA OFFº switch) can turn off the curtain shield
airbags and seat belt pretensioners in a vehicle rollover.
This switch should only be used if inflation is not desired
(such as extreme off-road driving).
When you push the RSCA OFFº switch for a few seconds with
the ignition switch on, the RSCA OFFº indicator light comes
on and the roll sensing function is turned off. When you push
the switch again, the indicator light goes off and the roll sensing
function is turned on. (For details about the roll sensing
function, see SRS side airbags and curtain shield airbagsº on
page 167.)
In a severe side impact, the curtain shield airbags on impacted
side will inflate even if the roll sensing function is turned off.
(For details about the curtain shield airbags, see SRS side
airbags and curtain shield airbagsº on page 167.)In a severe frontal impact, the seat belt pretensioners will work
even if the roll sensing function is turned off. (For details about
the seat belt pretensioners, see ÐSeat belt pretensionersº on
page 149.)
If the ignition switch is turned to ACCº or LOCKº with the roll
sensing function off and then the ignition switch is turned back
to ONº, the roll sensing function will turn back on
automatically.
CAUTION
Before normal driving, make sure the RSCA OFFº
indicator light is off.
When the roll sensing function is turned off (and the
RSCA OFFº indicator light is on), the curtain shield
airbags and seat belt pretensioners will not work in
a vehicle rollover. Turning off the curtain shield
airbags and seat belt pretensioners reduces
occupant protection which your vehicle safety
systems can provide in accidents and increase the
likelihood of death or serious injuries.

OCCUPANT RESTRAINT SYSTEMS
208
DRIVING POSITION MEMORY
SYSTEM
A microcomputer will memorize the position of the driver's
seat, and the positions of the tilt and telescopic steering, and
outside rear view mirrors. Two different driving position profiles
can be entered into the computer's memory.
Recording the driving position in the computer's memory can
only be done when the ignition key is in the ONº position and
the selector lever is in the Pº position.
Setting the driving position
1. Adjust the driver's seat, tilt and telescopic steering and
outside rear view mirrors to the desired position.
2. While pushing the SETº button, push button 1º or 2º
until the signal beeps.The beep sound means that the positions are recorded in the
computer's memory.
By repeating these two steps and pressing the remaining
button, the driving position for another driver can be recorded.
To set a new memorized position, select the desired position
and perform step 2. The previous memory will be erased and
the new position will be set.
To make only slight changes to an already memorized position,
the easiest way is to first activate the memorized position, then
make the desired changes and perform step 2 above.
Recalling the memorized position
When you push button 1º or 2º, the driving position will
be automatically adjusted to the position recorded for that
button.

OCCUPANT RESTRAINT SYSTEMS
209 Conditions for memorized position activation
Ignition key ONº and selector lever in Pº position.
All parts of the memorized positions can be activated.
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 (1º or 2º)
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.
CAUTION
Do not start the vehicle while the adjustments are
being made.
Take care not to select the wrong button, or the seat
could strike the rear passenger or hit your body
against the steering wheel. If this happens, you can
stop the movement by pressing another driving
position memory switch.

STEERING WHEEL AND MIRRORS
212
Auto tilt away*
When the ignition key is removed, the steering column
moves forward away from the driver and also tilts up for
easy exit and entry.
When the key is inserted in the ignition switch, the steering
column returns to the previously set position.
NOTE:
* This feature can be deactivated.
Ask your Lexus dealer for details.
OUTSIDE REAR VIEW MIRRORS
Adjust the mirror so that you can just see the side of your
vehicle in the mirror.
Be careful when judging the size or distance of any object seen
in the outside rear view mirror on the passenger's side
because it is a convex mirror. Any object seen in a convex
mirror will look smaller and farther away than if seen in a normal
flat mirror.
When you push the outside rear view mirror defogger switch,
the heater panels in the outside rear view mirrors will quickly
clear the mirror surface. (See Outside rear view mirror
defogger switchº on page 44.)
The rear view mirrors are rain clearing mirrors that clear the
driver's rear view when it rains. (For details, see Rain clearing
mirrorsº on page 615.)

STEERING WHEEL AND MIRRORS
215
Folding rear view mirrors
To fold the rear view mirror, push backward.
The rear view mirrors can be folded backward for parking in
compact areas.
CAUTION
Do not drive with the mirrors folded backward. Both the
driver and passenger side rear view mirrors must be
extended and properly adjusted before driving.
INSIDE REAR VIEW MIRROR
Adjust the mirror so that you can just see the rear of your
vehicle in the mirror.
Pushing the MIRRORº switch changes the mode
between AUTO and DAY.
The indicator comes on when the AUTO mode is selected.
DAY mode: The mirror surface is normal.
AUTO mode: If the mirror detects light from the headlights
of the vehicle behind you, the mirror surface darkens
slightly to reduce the reflected light.
When the ignition key is inserted and turned on, the inside rear
view mirror always turns on in the AUTO mode.

STEERING WHEEL AND MIRRORS
216When the outside air temperature is low, it may take a little
longer for the mirror to darken in response to the detection of
headlights.
CAUTION
Do not adjust the mirror while the vehicle is moving.
Doing so may cause the driver to mishandle the vehicle
and an accident may occur resulting in death or serious
injuries.
To ensure correct functioning of the anti-glare mirror
sensors located on both sides of the mirror, do not touch
or cover the sensors with your finger or a piece of cloth,
etc.
Compass
The compass indicates the direction in which the vehicle
is heading. The illustration shown above indicates the
vehicle is heading north.
Push the COMPº switch to turn the compass system on
and off.
If the ignition switch was turned off with the system on, the
system will automatically turn back on when the ignition switch
is turned on.

STEERING WHEEL AND MIRRORS
217 Displays
Directions
N
NE
E
SE
S
SW
W
NWNorth
Northeast
East
Southeast
South
Southwest
West
Northwest
The compass may not show the correct direction in the
following conditions:
The vehicle is stopped immediately after turning.
The compass does not adjust while the vehicle is stopped.
The ignition switch is turned off immediately after turning.
The vehicle is on an inclined surface.
The vehicle is in a place where the earth's magnetic field is
subject to interference by artificial magnetic fields
(underground parking, under a steel tower, between
buildings, roof parking, near a crossing, near a large vehicle,
etc.).
The vehicle is magnetized. (There is a magnet or a metal
object on or near the inside rear view mirror.)
The battery has been disconnected.
Your vehicle is out of the set zone. Refer to the Calibrating the
compassº in this Section to set the zone number.
The compass works to calibrate the direction automatically
while the vehicle is in motion, if deviation is small.For additional precision or for complete calibrating, see
Calibrating the compassº below.