1998 Lexus LS400 height adjustment

00L0541
PICTORIAL INDEX
xii
SEAT AND STEERING WHEEL
Page
1 Tilt and telescopic steering adjustment
switch 76
. . . . . . . . . . . . . . . . . . . . . . . . . . .
2 Seat position, seat cushion
angle and height control
switch 71, 72
. . . . . . . . . . . . . . . . . . . . . . . .
3 Seatback angle and head
restraint control switch 72, 73
. . . . . . . . . .
4 Lumbar support control switch 73 . . . . . . .
For detailed information, refer to the
description given in each section.

00L05700L056
Seat adjustment
Seat
position
Seat
cushion
angle
Seat cushion
height
Head restraint
height
Seatback
angle
Lumbar
support
Head restraint
angleSeat adjustment
Seat
position
Seat
cushion
angle
Seat cushion
height
Head restraint
height Seatback
angle
Lumbar
support
Head restraint
angle
BASIC OPERATION QUICK REFERENCE
2
1. DRIVER’S SEAT
Power head restraint type Manual head restraint type

COMFORT ADJUSTMENT
71
Adjusting front seats
16L1341
1
Seat position control switch, seat cushion angle and
height control switch
2
Seatback angle and head restraint control switch
3
Lumbar support control switch
Adjusting seat position
16L111
Move the control switch in the desired direction.
Releasing the switch will stop the seat in that position. Do not place
anything under the seat. It might interfere with the seat movement.

COMFORT ADJUSTMENT
72
Adjusting seatback angle
16L112
Move the control switch in the desired direction.
Releasing the switch will stop the seatback in that position.
CAUTION
To reduce the risk of sliding under the lap belt during a
collision, avoid reclining the seatback any more than needed.
The seat belts provide maximum protection in a frontal or rear
collision when the driver and the passenger are sitting up
straight and well back in the seats. If you are reclined, the lap
belt may slide past your hips and apply restraint forces
directly to the abdomen. Therefore, in the event of a frontal
collision, the risk of personal injury may increase with
increasing recline of the seatback.
Adjusting seat cushion angle and height
16L113
Move the control switch in the desired direction.
Releasing the switch will stop the seat cushion in that position.

COMFORT ADJUSTMENT
113
16L0401
1
Bolt 2
Anchor bracket 3
Spacer
4. Insert a 15 mm (0.6 in.) spacer, and tighten down the anchor
bracket for your child restraint system with a bolt. Torque the bolt
to 16.5 24.7 N·m (1.68 2.52 kgf·m, 12.2 18.2 ft·lbf.).
To comply with Canada Motor Vehicle Safety Standards, vehicles
sold in Canada are provided with a bracket set in the glovebox.
DRIVING POSITION MEMORY
SYSTEM
The micro computer can memorize the position of the driver’s seat,
the height of the shoulder belt anchor of the driver’s seat belt, 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 a driving position in the computer’s memory can only be
done when the ignition key is in the ”ON” position and the shift lever
is in the ”P” position.
Setting a driving position
16L055
1. Adjust the driver’s seat, driver’s shoulder belt anchor, tilt and
telescopic steering and outside rear view mirrors to the desired
position.
2. While pushing the ”SET” button, push button ”1” or ”2” until
the signal beeps.

STARTING AND DRIVING
171
Cruise control failure warning
If the ”CRUISE” indicator light in the instrument cluster flashes
when using the cruise control, push the main switch to turn the
system off and then push it again to turn it on.
If any of the following conditions then occurs, there is some trouble
in the cruise control system.
The indicator light does not come on.
The indicator light flashes again.
The indicator light goes out after it comes on.
If this is the case, contact your Lexus dealer and have your Lexus
inspected.
ELECTRONICALLY MODULATED
AIR SUSPENSION
(U.S.A. ONLY)
This electronically modulated air suspension adjusts the
damping effect on the shock absorbers and the vehicle height.
This adjustment is automatically made in response to the driving
conditions to provide good riding comfort and stability in all
driving conditions.
(a) Vehicle height adjustment
31L015-3
This system maintains a stable vehicle height, regardless of
occupants and luggage weight. You can select one of the
following modes using a selector switch.

STARTING AND DRIVING
172”NORMAL” mode For driving on roads with a normal surface.
”HIGH” mode For driving on rough roads which are unsurfaced
or continually bumpy.
The damping effect is set slightly firmer in ”HIGH” mode. So you
may feel the vibration of the vehicle compared to in ”NORMAL”
mode. However, this does not mean a malfunction in the system. We
recommend you use a ”NORMAL” mode in normal driving.
To change the mode, push the selector switch.
”NORMAL” mode
The vehicle height remains at normal height at all driving speeds.
”HIGH” mode
The vehicle height switches between the following two vehicle
heights according to the driving conditions:
Vehicle height
Driving condition
NormalMedium and high speed driving
HighLow speed driving
31L016-2
The indicator light shows ”HIGH” mode is selected.
When you turn the ignition key to the ”ON” position, the indicator
light will come on for 2 seconds in any mode.
NOTICE
For vehicles equipped with the height control switch, be sure to
turn the ignition switch off before jacking. If this is not done, the
vehicle height adjustment function will operate, which may
cause body damage.
(b) Malfunction warning
If the ”HI” indicator light blinks, there is a malfunction in this
system. Have the system checked by your Lexus dealer at the first
opportunity.

IN CASE OF AN EMERGENCY
197 B: If no steam is coming from your engine:
Leave the engine running and turn off the air conditioning. Check
the following.
Is the cooling fan operating?
Is the coolant in the acceptable range?
Is the engine drive belt O.K.?
CAUTION
When the engine is running, keep hands and clothing away
from the moving fan and engine drive belt.
Do not attempt to remove the radiator cap when the engine
and radiator are hot. Serious injury could result from
scalding hot fluid and steam blown out under pressure.
If the cooling fan is not operating or the coolant is not in the
acceptable range, turn off the engine and call your Lexus dealer.
If both conditions are O.K., after the engine coolant temperature has
cooled to normal, continue driving your vehicle.
If the engine coolant temperature does not cool down, or your
vehicle overheats again, have it checked as soon as possible by your
Lexus dealer.
IF YOU HAVE A FLAT TIRE
1. Reduce your speed gradually, keeping a straight line. Move
cautiously off the road to a safe place well away from the traffic.
Avoid stopping on the center divider of a highway. Park on a level
spot with firm ground.
2. Stop the engine and turn on your emergency flashers.
3. Firmly set the parking brake and put the transmission in ”P”.
4. Have everyone get out of the vehicle on the side away from
traffic.
5. Read the following instructions thoroughly.
NOTICE
For vehicles equipped with the height control switch, be sure to
turn the ignition switch off before jacking. If this is not done, the
vehicle height adjustment function will operate, which may
cause body damage.
CAUTION
When jacking, be sure to observe the following to reduce the
possibility of personal injury:
Follow jacking instructions.
Do not start or run the engine while your vehicle is
supported by the jack.