lumbar support BMW X3 2.5I 2006 E83 Owner's Manual

Adjustments
28
Adjusting lumbar support*
You can also adjust the contours of the backrest
to obtain additional support in the lumbar
region.
The upper hips and spinal column receive sup-
plementary support to help you maintain a
relaxed, upright sitting position.
>To increase or decrease curvature: press
switch forward or back.
>To move curvature up or down: press
switch up or down.
Sports seat*
With this seat, you can also adjust the tilt and
the thigh support:
Upward tilt
Pull the lever 1 repeatedly until you reach the
desired tilt.
Downward tilt
Press the lever 2 repeatedly until you reach the
desired tilt.
Thigh support
Pull the lever 3 and slide the thigh support in the
longitudinal direction.
Head restraints
A correctly adjusted head restraint reduces the
risk of damage to the cervical vertebrae in acci-
dents.
Adjust the head restraint so that its mid-
dle lies approximately at the height of
your ears. Otherwise, there is an increased risk
of injury in the event of an accident.<
Adjusting height
>To raise: pull upward.
>To lower: press button, arrow 1, and slide
head restraint downward.
Front head restraint tilt angle: adjust by tilting.
Removing front head restraint
1.Pull the head restraint upward to the stop.
2.Press button, arrow 1, and pull head
restraint all the way out.
Installing front head restraint
1.Press button, arrow 1, and slide the head
restraint into its sockets.
2.Adjust the head restraint.

Reference
At a glance
Controls
Driving tips
Mobility
29
Heated seats*
Press once for each temperature level. Highest
preselected temperature when three LEDs are
illuminated.
To switch off:
Press the button and hold it longer.
Seat and mirror memory*
You can store and select three different adjust-
ment settings for the driver's seat and exterior
mirrors.
The adjustment of the lumbar support is not
stored in the memory.
Storing
1.Turn the ignition key to position 1 or 2.
2.Set the desired seat and exterior mirror
position.
3.Press the
MEMORY button:
The LED in the button lights up.
4.Press the desired memory button 1, 2 or3:
The LED goes out.
Requesting a stored setting
Do not request a position from the mem-
ory while the vehicle is moving; otherwise,
there is a risk of accident from unexpected seat
movement.<
Convenience mode
1.Open the driver's door after unlocking or
turn the ignition key to position 1.
2.Briefly press the desired memory button 1,
2 or3.
The system immediately cancels the adjust-
ment procedure when you press one of the seat
adjustment buttons or use one of the memory
buttons.
Safety feature
1.Close the driver's door and turn the ignition
key to position 0 or 2.
2.Press the desired memory button 1, 2 or3
and maintain pressure until the adjustment
process has been completed.
If you press the
MEMORY button accidentally:
Press the button again, the LED goes out.
You can have your vehicle programmed
to automatically recall your own individual
stored adjustment settings for the seat and
exterior mirror position whenever you use your
personal remote control to unlock the vehicle.<
If you make use of this setting, be sure
that the footwell behind the driver's seat
is unobstructed before unlocking the vehicle.
If you fail to do so, any persons, animals or
objects behind the seat could be injured or
damaged by a rearward movement of the
seat.<
Safety belts
To ensure that the safety systems con-
tinue to provide optimal protection,
please follow the instructions on page26.<
Make sure the safety belts are worn in all occu-
pied seats every time you drive. Although air-
bags enhance safety by providing added pro-

Everything from A to Z
118
Everything from A to Z
Index
A
ABS Antilock Brake
System48
– indicator lamp12
Accessories, refer to For your
own safety6
Accident, refer to Receiving
assistance107
Acknowledgment signal for
locking/unlocking
vehicle19,20
Activated-charcoal filter64
Adaptive Head Light57
Adding engine oil94
Adjusting seats27
– electrically27
– mechanically27
– mechanically Sports seat28
Airbags53
– deactivating front passenger
side33,54
– indicator lamp for front
passenger airbags54
– sitting safely26
– warning lamp54
Air circulation, refer to Recir-
culated-air mode60,63
Air conditioner59
Air distribution
– air conditioner60
– automatic climate control63
Airing, refer to
Ventilation61,64
Air outlets, refer to
Ventilation61,64
Air pressure, refer to Tire
inflation pressure86
Air vents, refer to
Ventilation61,64
Air volume60
– adjusting manually63AKI, refer to Fuel
specifications85
Alarm system24
– avoiding unintentional
alarms25
All-season tires, refer to
Special characteristics of
winter tires90
All wheel drive, refer to
xDrive49
Anchorage points73
Antifreeze
– coolant95
– washer fluid41
Antifreeze protection,
coolant95
Antilock Brake System
ABS48
– indicator lamp12
Anti-theft alarm system, refer
to Alarm system18,24
Approved axle load, refer to
Weights116
Approved engine oils95
Approved gross vehicle
weight, refer to Weights116
Armrest
– front67
– rear68
Artificial leather, refer to
Caring for your vehicle
brochure
Ashtray68
AUC Automatic recirculated-
air control63
Automatic
– air distribution63
– air volume63
– recirculated-air control
AUC63
Automatic car wash, refer to
Caring for your vehicle
brochureAutomatic climate control62
Automatic cruise control41
Automatic curb monitor31
Automatic deactivation of
front passenger airbags54
Automatic headlamp
control56
Automatic transmission with
Steptronic38
– indicator lamp39
– interlock36
– selector lever interlock38
– shiftlock38
– towing109
– tow starting110
AUTO program63
Average fuel consumption46
– setting units45
Average speed46
– setting units45
Avoiding unintentional
alarms25
Axle loads, refer to
Weights116
B
Backrest, refer to Seats27
Backrest contour, refer to
Lumbar support28
Backup lamps
– bulb replacement102
– refer to Tail lamps102
Bandages, refer to First-aid
kit108
Bar, towing110
Battery105
– disposal106
– indicator lamp12
– jump starting108
– power failure106
– remote control18
– warning lamp105

Reference
At a glance
Controls
Driving tips
Mobility
123
Inflation pressure monitoring,
refer to
– Flat Tire Monitor50
– Tire Pressure Monitor52
Initializing, refer to Power
supply interruption22,23
INSPECTION44
Instrument cluster11
Instrument lighting58
Instrument panel, refer to
Cockpit10
Integrated universal remote
control65
Interior lamps58
– remote control19
Interior motion sensor25
– switching off19,25
Interior rearview mirror31
– automatic dimming
feature77
Interlock36
Intermittent mode of the
wipers40
Interval indicator, Service44
J
Jacking points104
Jump starting108
K
Key Memory32
Keys18
– key-specific settings, refer
to Vehicle Memory,
Key Memory32
Kick-down39
L
Labeling, tires88
Lamps and bulbs99
Lashing eyes, refer to
Securing cargo79
LATCH child-restraint fixing
system34LEDs light-emitting
diodes100
Length, refer to
Dimensions115
License plate lamp, replacing
bulbs102
Liftgate21
– closing21
– emergency operation21
– opening from outside21
– opening manually21
– remote control19
Liftgate lamp, replacing
bulbs103
Lifting handle, compact
wheel103
Light-alloy wheels, care, refer
to Caring for your vehicle
brochure
Light-emitting diodes
LEDs100
Lighter68
Lighter socket69
Lighting of instruments58
Lights, refer to Parking lamps/
low beams56
Lights on warning56
Light switch56
Load
– determining load limit78
– refer to Cargo loading78
Lock buttons, doors, refer to
Locking21
Locking
– from inside20
– from outside19
Low beams56
– automatic56
– indicator lamp, defective
bulb56
– replacing bulbs100
Lower back support, refer to
Lumbar support28
Lug bolts104
– torque105Luggage compartment21
– capacity116
– cover, refer to Cargo area
cover71
– floor cover72
– increasing volume70
– opening/closing, refer to
Liftgate21
– opening from outside21
– opening with remote
control19
Luggage compartment, refer
to Cargo area70
Luggage compartment cover,
refer to Cargo area cover71
Luggage compartment lid
– emergency operation, refer
to Opening manually21
– opening with remote control,
refer to Unlocking liftgate19
Luggage compartment lid,
refer to Liftgate21
Luggage compartment net,
refer to Partition net72
Luggage rack, refer to Roof-
mounted luggage rack80
Lug wrench103
Lumbar support28
M
Maintenance97
– refer to Service Interval
Display44
Maintenance system97
Malfunctions
– automatic transmission39
– door lock20
– fuel filler door84
– liftgate21
– panorama glass sunroof24
Manual air distribution60,63
Manual operation
– door lock20
– driver's door20
– fuel filler door84
– liftgate21
– panorama glass sunroof24
Manual transmission38