Opening and closing
32 If it is no longer possible to lock the vehicle 
using the remote control, then the battery is 
discharged. Use this remote control during an 
extended drive; this will recharge the battery, 
refer to page28.
For US owners only
The transmitter and receiver units comply with 
part 15 of the FCC/Federal Communication 
Commission regulations. Operation is gov-
erned by the following:
FCC ID:
LX8766S 
LX8766E 
LX8CAS
LX8CAS2
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 
received, 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 door lock
Do not lock the vehicle from the outside if 
persons are inside, as unlocking from the 
inside is not possible without special knowl-
edge.<
When unlocking
1.Turning the key once unlocks the driver's 
door and the fuel filler door.
2.A second turn of the key unlocks the pas-
senger door and luggage compartment lid.
Convenient operation
You can use the door lock to operate the win-
dows and the glass sunroof
* in the Coupe or to 
operate the windows and the top in the Con-
vertible.
Turn and hold the key in the positions for 
unlocking or locking.
Keep a close eye on the closing process 
and also on the opening process of the 
convertible top to be sure that no one is injured. 
Releasing the key stops the operation.<
Manual operation
In the event of an electrical malfunction, you can 
turn a key all the way to the right or left in the 
door lock to lock or unlock the driver's door.
Opening and closing: from 
inside
This button serves to unlock or lock doors and 
the luggage compartment lid, but does not acti-
vate the anti-theft system. The fuel filler door 
remains unlocked.
Automatic locking
iDrive, for operating principle refer to page16.
1.Press the   button.
This opens the start menu.
2.Press the controller to open the   menu. 
Everything from A to Z
254 Presetting parked car 
ventilation activation 
times113
Pressure, tires210
Pressure monitoring of tires, 
refer to TPM Tire Pressure 
Monitor90
"Profile"205
Programmable buttons on 
steering wheel55
Programmable memory 
buttons21
Protective function, refer to 
Pinch protection system
– glass sunroof41
– windows40
R
Radiator fluid, refer to 
Coolant219
Radio
– Autostore164
– controls158
– High Definition Radio166
– sampling stations163
– satellite radio169
– selecting frequency 
manually163
– selecting 
waveband158,162
– station search163
– station selection162
– station with best 
reception164
– storing stations164
– switching on/off158
– tone control159
– volume159
– Weather Band, refer to 
Weather news flashes166
Radio key, refer to Keys/
remote control28
Radio position, refer to Radio 
readiness58Radio readiness58
– switched off59
– switched on58
– with comfort access37
Radio stations, storing164
Rain sensor, windshield wiper 
system64
"Random", random play 
sequence175
"Random all" in audio 
mode176
"Random directory" in audio 
mode175
Random play sequence
– CD changer175
– CD player175
"RDS"165
Reading lamps107
Rear lamps, refer to Tail 
lamps224
Rearview mirrors, refer to 
Mirrors53
Rear window
– heating110
– opening and closing39
"Received calls"192
Reception
– quality165
– radio stations165
– regional station164
Reception quality of mobile 
phone, refer to Status 
information20
Rechargeable flashlight117
Recirculated-air mode, refer 
to AUC Automatic 
recirculated-air control111
Recirculation of air, refer to 
AUC Automatic 
recirculated-air control111
Reclining seat, refer to 
Seats48
Recording times, refer to 
Stopwatch82
"Redial" for mobile phone192
Redialing with mobile 
phone197Reflectors, refer to Tail 
lamps224
Refueling208
Releasing
– hood216
– locks, refer to Unlocking37
"Relock door if not 
opened"33
Remaining distance, refer to 
Cruising range75
Remaining distance to 
destination, refer to 
Computer76
Remote control28
– battery replacement38
– comfort access36
– garage-door opener115
– luggage compartment lid31
– malfunction31,38
Removing condensation from 
windows110
"Repeat directory" in audio 
mode175
"Repeat" in audio mode175
"Repeat track" in audio 
mode175
Replacement fuses226
Replacement remote control, 
refer to New remote 
controls28
Replacing bulbs, refer to 
Lamps and bulbs223
Replacing tires, changing a 
wheel225
Reporting safety defects7
Required fuel209
Reserve warning, refer to Fuel 
gauge75
"Reset"90,91
– stopwatch82
– tone settings161
Reset, refer to Resetting tone 
settings161
Residual heat112
Restraint systems
– for children56
– refer to Safety belts52