
03 Your driving environment
Ignition modes
03
85
Ignition modes
Ignition mode 0–The vehicle is unlocked.
Ignition mode I–With the remote key fully pressed into the ignition slot1
, press START/STOP
ENGINE briefly.
Ignition mode II–With the remote key fully pressed into the ignition slot 1
, press START/STOP
ENGINE for approximately 2 seconds.
Returning to mode 0To return to mode 0 from mode II or I, press
START/STOP ENGINE briefly.
Starting and stopping the engine
See page 116 for information on starting the engine and switching it off.
Emergency towing
See page 283 for important information about the remote key when the vehicle isbeing towed.
1
Not necessary in vehicles with the optional keyless drive.

03 Your driving environment
Seats
03
86* Option/accessory, for more information, see Introduction.
Front seats
Lumbar support: turn the control for firmer or softer lumbar support.
Front-rear adjustment: lift the bar and move the seat to the position of yourchoice.
Raise/lower front edge of seat cushion, pump up/down.
Backrest tilt: turn the control to adjust the angle of the backrest.
Raise/lower the seat, pump up/down.
Control panel for power seat*.
WARNING
• Do not adjust the seat while driving. The seat should be adjusted so thatthe brake pedal can be depressedfully. In addition, position the seat asfar rearward as comfort and controlallow.
• Check that the seat is securely lockedinto position after adjusting.
Folding the front seat backrest*
The front passenger seat backrest can be folded to a horizontal position to make roomfor a long load. Fold the backrest as follows:
Move the seat as far back and down as possible.
Adjust the backrest to an upright position.
Lift the catches on the rear of the back- rest.
Without releasing the catches, push the backrest forward. Move the seat as far forward as possible so that the head restraint slides under theglove compartment.
WARNING
• When transporting long objects, cover sharp edges on the load to help pre-vent injury to occupants. Secure theload to help prevent shifting duringsudden stops.
• When the seat's backrest is returnedto the upright position, push and pull itto be sure that it is securely locked inthis position.

03 Your driving environment
Seats
03
87
Power seat1
Power seat adjustment controls
Front edge of seat cushion up/down
Seat forward/rearward and up/down
Backrest tilt
OperationThe seats can be adjusted for a short period after unlocking the door with the remote con-trol without the key in the ignition slot. Seatadjustment is normally made when the igni-tion is on and can always be made when theengine is running.
NOTE
•
Only one of the power seat's controls can be used at the same time.
• The power seats have an overloadprotector that activates if a seat isblocked by any object. If this occurs,switch off the ignition (key in posi-tion
0) and wait for a short period
before operating the seat again.
Power seat memory function
Power seat memory buttons
Button for storing a position
Button for storing a position
Button for storing a position
M (memory) button
Programming the seat's memoryThree different seating and door mirror posi- tions can be stored in the driver seat's mem-ory. The following example explains how button (1) can be programmed. Buttons (2) and (3)are programmed in the same way. To program (store) a seat and door mirror position in button (1):
1. Move the seat (and door mirrors) to the
desired positions using the seat and mir- ror adjustment controls.
2. Press and hold down the M (memory)
button (4).
3. With the memory button depressed, press button (1) briefly to store the cur-rent position for the seat/mirrors.
To move the seat and mirrors to the posi-tion that they were in when a button wasprogrammed:
–Press and hold down button (1) until the seat and mirrors stop moving.
1 Optional on certain models

03 Your driving environment
Seats
03
88* Option/accessory, for more information, see Introduction.
NOTE
As a safety precaution, the seat will stop automatically if the button is releasedbefore the seat has reached the presetposition.
Remote key memory and the power
driver's seat* and door mirrors 2
Each remote key has a feature that enables it to store (remember) the position of the powerdriver's seat and door mirrors when the vehi-cle is locked with that remote key. This feature has to be activated
for each of
the remote keys used in the vehicle as fol-
lows: 1. Insert a remote key in the ignition slot.
2. Go into the
MY CAR menu and go to
SettingsCar settingsCar key
memory
3. To activate the remote key memory fea- ture, press ENTER (check the box).
> The remote key is now ready to store the position of the power driver's seat and door mirrors.
Repeat this procedure for each of the vehi-cle's remote keys. See page 193 for a description of the menu system.
Storing the positions of the power
driver's seat/mirrors in the remote key
1. Move the seat and door mirrors to the desired position using the seat and mirror adjustment controls.
2. Exit the vehicle and lock the doors with the remote key (or close the driver's doorand press the lock button on the doorhandle with the remote key in your pos-session on vehicles with the optional key-less drive). > The positions of the power driver's
seat and door mirrors are now storedin the remote key's memory.
NOTE
The remote key's memory feature and the power driver's seat memory function (thesettings made using the buttons on theside of the seat, see the section "Powerseat memory function" on page 87) workindependently of each other.
Returning the seat/mirrors to the stored positions
To move the seat and door mirrors to the position stored in the remote key:
1. Unlock the driver's door with the same
remote key (the one used to lock the doors). For models equipped with theoptional keyless drive, you must have thesame remote key in your possession.
2. Open the driver's door within 2 minutes. The driver's seat and door mirrors will auto- matically move to the position in which youleft them (if the vehicle has been unlockedwith one of the other keys and new seat/mirror adjustments have been made).
2 This information also applies to vehicles with the optional keyless drive.

03 Your driving environment
Seats
03
* Option/accessory, for more information, see Introduction.89
NOTE
• The seat will move to this position even if someone else has moved it to adifferent position and locked the vehi-cle with a
different remote key.
• This feature will work in the same waywith all of the remote keys that youuse with your vehicle.
Emergency stop
WARNING
•
Because the driver's seat can be adjusted with the ignition off, childrenshould never be left unattended in thevehicle.
• Movement of the seat can be STOP-PED at any time by pressing any but-ton on the power seat control panel.
• Do not adjust the seat while driving.The seat should be adjusted so thatthe brake pedal can be depressedfully. In addition, position the seat asfar rearward as comfort and controlallow.
• The seat rails on the floor must not beobstructed in any way when the seat isin motion.
Heated/ventilated seats*See page 202.
Rear seats
Rear center head restraint
The center head restraint should be adjusted according to the passenger's height. Therestraint should be carefully adjusted to sup-port the occupant's head.
• Pull the head restraint up as required.
• To lower, press the button at the base of the head restraint’s left support whilepressing the head restrain down carefully.

03 Your driving environment
Seats
03
91
CAUTION
To help avoid damage to the upholstery, there should be no objects on the rear seatand the seat belt should not be buckledwhen the backrest is folded down.
WARNING
•Keep vehicle doors and trunk locked and keep keys out of a child’s reach.Unsupervised children could lockthemselves in an open trunk and riskinjury. Children should be taught not toplay in vehicles.
• On hot days, the temperature in thetrunk or vehicle interior can rise veryquickly. Exposure of people to thesehigh temperatures for even a shortperiod of time can cause heat-relatedinjury or death. Small children are par-ticularly at risk.
WARNING
•When one or more sections of the backrest is returned to the uprightposition, check that it is properlylocked in place by pushing and pullingit. The red indicators should also notbe visible.
• Return the outboard head restraints tothe upright position.
• Long loads should always be securelyanchored to help avoid injury in theevent of a sudden stop.
• Always turn the engine off and applythe parking brake when loading/unloading the vehicle.
• Place the transmission in the Park (
P)
position to help prevent inadvertentmovement of the gear selector.
• On hot days, the temperature in thevehicle interior can rise very quickly.Exposure of people to these high tem-peratures for even a short period oftime can cause heat-related injury ordeath. Small children are particularly atrisk.

03 Your driving environment
Steering wheel
03
92* Option/accessory, for more information, see Introduction.
Adjusting
G021138
Adjusting the steering wheel
Lever for releasing/locking the steering wheel
Possible positions
The steering wheel can be adjusted for both height and reach:
1. Pull the lever toward you to release the steering wheel.
2. Adjust the steering wheel to the position that suits you.
3. Push back the lever to lock the steering wheel in place. If the lever is difficult to push into place, press the steering wheellightly at the same time as you push thelever.
WARNING
Never adjust the steering wheel while driv- ing.
With the optional speed-dependent power steering the level of steering force can beadjusted, see page 216.
Keypads and steering wheel paddles*
Steering wheel keypads and paddles*
Cruise control, see page 140. Adaptive cruise control*, see page 142.
Paddles for manually shifting gears (Gear- tronic), see page 122.
Infotainment system controls, see page 225.
Horn
Horn
–Press the steering wheel hub to sound the horn.

03 Your driving environment
Lighting
03
96
Models with an analog instrument panel When AHB is activated, the
symbol
will illuminate in the instrument panel. The high beam indicator (
) in the instrument
panel will also illuminate when the high beams are on. Models with a digital instrument panel When AHB is activated,
will illuminate
as a white symbol in the instrument panel.
When the high beams are on, the symbol will change to blue.
NOTE
•Keep the windshield in front of the camera free of ice, snow, dirt, etc.
• Do not mount or in any way attachanything on the windshield that couldobstruct the camera.
If Active high beam Temporary
unavailable Switch manually is displayed in
the instrument panel, switching between high and low beams will have to be done man-ually. However, the light switch can remain inthe AUTO position. The same applies if
Windscreen Sensors blocked is displayed
and the
symbol is displayed. The
symbol will go out when these mes-
sages are displayed.
AHB may be temporarily unavailable (e.g., in heavy fog or rain). When AHB becomes activeagain or if the sensors in the windshield areno longer obscured, the messages will disap- pear and the
symbol will illuminate.
CAUTION
In the following situations, it may be nec- essary to switch between high and lowbeams manually:
• In heavy fog or rain
• In blowing snow or slush
• In bright moonlight
• In freezing rain
• In areas with dim street lighting
• When oncoming vehicles have dim front lighting
• If there are pedestrians on or near theroad
• If there are reflective objects, such assigns, near the road
• When oncoming vehicles' lights areobscured by e.g., fences, bushes, etc.
• When there are vehicles on connectingroads
• At the top of hills or in dips in the road
• In sharp curves
See page166 for more information about the camera's limitations.