change key battery BMW 640I CONVERTIBLE 2012 Owners Manual

Pinch hazard when moving back the seat
If
this function is used, first make sure that
the footwell behind the driver's seat is empty.
Otherwise, people can be injured or objects
damaged when the seat is moved back.◀
The adjustment procedure is interrupted:
▷ When a seat position switch is pressed.
▷ When a button of the seat, mirror, and steer‐
ing wheel memory is pressed briefly.
Activating the setting
1. "Settings"
2. "Door locks"
3. "Last seat position auto." Malfunction
If the vehicle can no longer be locked or un‐
locked

with the remote control, the battery may
be discharged or there may be interference from
external sources such as mobile phones, metal
objects, overhead power lines, transmission
towers, etc.
If this occurs, unlock or lock the vehicle at the
door lock using the key.
For US owners only
The transmitter and receiver units comply with
part 15 of the FCC/Federal Communication
Commission regulations. Operation is governed
by the following:
FCC ID:
▷ LX8766S.
▷ LX8766E.
▷ LX8CAS. ▷
LX8CAS2.
▷ MYTCAS4.
Compliance statement:
This device complies with part 15 of the FCC
Rules. Operation is subject to the following two
conditions:
▷ This device may not cause harmful interfer‐
ence, and
▷ this device must accept any interference re‐
ceived, including interference that may
cause undesired operation.
Any unauthorized modifications or changes to
these devices could void the user's authority to
operate this equipment.
Using the door lock
General information Do not lock from the outside
Do

not lock the vehicle from the outside if
there are people in it, as the vehicle cannot be
unlocked from inside without special knowl‐
edge.◀
Remove the key before pulling the door
handle
Before pulling the outside door handle, remove
the key to avoid damaging the paintwork and the
key.◀
In some country-specific versions, the alarm
system* is triggered if the vehicle is unlocked via
the door lock. Seite 38
38 Online Edition for Part no. 01 40 2 606 521 - 03 11 490
Opening and closing

sumers are switched off before locking the ve‐
hicle.
Convenient closing
Press the area, arrow 2, with your finger and
hold.
In addition to locking, the convertible top, the
side
windows, and the rear window close as well.
Press the area, arrow 2, and hold until the con‐
vertible top is fully closed.
Monitor the closing process
Monitor the closing process to ensure that
no one becomes trapped.◀
Releasing the area, arrow 2, stops the motion.
After a short period, the convertible top and the
convertible top well storage cover are lowered
slowly. The convertible top and the convertible
top well storage cover are not locked. Press the
area, arrow 2, again until the convertible top op‐
eration is completed.
Unlocking the trunk lid separately
Press on the top half of the BMW emblem on the
trunk lid.
This corresponds to pressing the button.
Do not place the remote control in the
cargo area
Take the remote control with you and do not
leave

it in the cargo area; otherwise, the remote
control may be locked inside the vehicle when
the trunk lid is closed.◀
Malfunction
Comfort Access may not function properly if it
experiences interference from external sources
such as mobile phones, metal objects, overhead
power lines, transmission towers, etc.
If this occurs, open or close the vehicle using the
buttons on the remote control or use a key in the
door lock.
To subsequently start the engine, hold the re‐
mote control against the marked area on the
steering column, refer to page 33. Alarm system*
The concept
The vehicle alarm system responds to:
▷
Opening of a door, the hood or the trunk lid.
▷ Movements in the vehicle: interior motion
sensor, refer to page 43.
▷ Changes in the vehicle tilt, e.g., during at‐
tempts to steal a wheel or when towing the
car.
▷ Interruptions in battery voltage.
The alarm system briefly indicates tampering:
▷ By sounding an acoustic alarm.
▷ By switching on the hazard warning system.
▷ By flashing the high beams.
Arming and disarming the alarm
system
General information
When

you lock or unlock the vehicle, either with
the remote control or at the door lock*, the alarm
system is armed or disarmed at the same time.
Door lock and armed alarm system
Unlocking via the door lock will trigger the alarm
on some country-specific versions.
Trunk lid and armed alarm system
The trunk lid can be opened using the remote
control, even if the alarm system is armed.
Press the button on the remote control
for approx. 1 second and release.
After the trunk lid is closed, it is locked and
monitored again by the alarm system. The haz‐
ard warning system flashes once.
In some vehicle equipment variants, the trunk lid
can only be opened using the remote control if
the vehicle was unlocked first.
Panic mode* Press the button on the remote control
for at least 3 seconds. Seite 42
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Opening and closing

BMW Internet page
6
BMW Maintenance Sys‐ tem 241
BMW Online 220
Bottle holder, refer to Cu‐ pholder 133
Brake assistant 101
Brake discs, breaking in 138
Brake force display 100
Brake lamps, brake force dis‐ play 100
Brake lamps, bulb replace‐ ment 245
Brake lights, adaptive 100
Brake pads, breaking in 138
Braking, notes 139
Breakdown assis‐ tance 248, 249
Breaking in 138
Brightness of Control Dis‐ play 80
Bulb replacement 243
Bulb replacement, front 244
Bulb replacement, rear 245
Bulbs and lamps 243
Button, Start/Stop 65
Bypassing, refer to starting aid 249
C
Calendar 212
California Proposition 65 Warning 7
Camera, backup camera 112
Camera, care 257
Camera, Side View 115
Camera, Top View 114
Can holder, refer to Cu‐ pholder 133
Car battery 247
Car care products 255
Care, displays 257
Care, vehicle 255
Cargo 140
Cargo area, cargo area parti‐ tion 47
Cargo area lid 40 Cargo area partition
47
Cargo area, storage compart‐ ments 134
Cargo straps, securing cargo 141
Car key, refer to Remote con‐ trol 32
Carpet, care 256
Car wash 254
Catalytic converter, refer to Hot exhaust system 138
CBS Condition Based Serv‐ ice 241
CD/DVD 173
CDs, storing 180
Cell phone 196
Center armrest 132
Center console 17
Central locking system 35
Central
screen, refer to Control
Display 19
Changes, technical, refer to Safety 7
Changing parts 243
Changing wheels/tires 233
Check Control 82
Children, seating position 62
Children, transporting safely 62
Child restraint fixing sys‐ tem 62
Child restraint fixing system LATCH 63
Child restraint fixing systems, mounting 62
Child seat, mounting 62
Child seats 62
Chrome parts, care 256
Cigarette lighter 129
Cleaning, displays 257
Climate control 123
Climate control wind‐ shield 139
Clock 76
Closing/opening from in‐ side 39
Closing/opening via door lock 38 Closing/opening with remote
control 36
Combination instrument 14
Combination
instrument, elec‐
tronic displays 16
Combination switch, refer to Turn signals 69
Combination switch, refer to Wiper system 69
Comfort Access 41
COMFORT program, Dynamic Driving Control 105
Computer 76
Concierge service 219
Condensation on win‐ dows 124
Condensation under the vehi‐ cle 140
Condition Based Service CBS 241
Confirmation signal 37
Contacts 207, 216
Control Display 19
Control Display, settings 79
Controller 19
Control systems, driving sta‐ bility 101
Convenient closing 37
Convenient opening 36
Convertible, convertible top 45
Convertible mode, automatic climate control 124
Convertible program, auto‐ matic climate control 124
Convertible top 45
Convertible top, care 255
Convertible top, cargo area partition 47
Convertible top, emergency operation 47
Convertible top, rollover pro‐ tection system 91
Convertible top tool 47
Coolant 239
Coolant temperature 75
Cooling function 125
Cooling, maximum 124
Seite 273
273Online Edition for Part no. 01 40 2 606 521 - 03 11 490

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