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140Vehicle care
6. Remove bulb from reflectorhousing.
7. When fitting a new bulb, engage the lugs in the recesses on the
reflector.
8. Engage the spring clip.
9. Place headlight protective cover in position and close.
10. Ensure the protective cover is placed correctly to prevent water
leak and heavy condensations.
Sidelight/Daytime running light 1. Remove fuse box cover (left side of the vehicle only).2. Rotate the bulb holder anticlockwise and remove.
3. Detach bulb from the bulb holderand replace it.
4. Insert the bulb socket into the reflector and turn clockwise.
Sidelight/daytime running light
with LEDs
Sidelights and daytime running lights
are designed as LEDs and cannot be
changed. Consult a workshop in case
of a defective LED.
Fog lights
1. Tilt the wheel and remove the two
push nuts on the outside of the
wheel liner.
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Vehicle care141
2. Disconnect the electricalconnector from the bulb holder.
3. Remove the bulb assembly anticlockwise and pull it straight
out.
4. Insert a new bulb assembly straight into the lamp and rotate
clockwise.
5. Reconnect the electrical connector.
Front turn signal lights
1. Rotate the bulb holderanticlockwise and remove.
2. Rotate bulb anticlockwise and remove from bulb holder.
3. Replace bulb.
4. Insert the bulb holder into the reflector and rotate clockwise.
Tail lightsTail lights, turn signal lights, brake
lights and reversing lights
1. Unscrew both screws.
2. Remove tail light assembly. Take care that the cable duct remains in
position.
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142Vehicle care
3. tail light / brake light 1
turn signal light 2
tail light 3
reversing light (passenger side) /
rear fog light (driver's side) 4.4. Rotate bulb holder anticlockwise.
5. Remove bulb holder. Push bulb
into socket slightly, rotate anti-
clockwise, remove and renew
bulb.
6. Insert bulb holder into the tail light
assembly and screw into place.
Connect wiring plug. Install tail
light assembly in body and tighten screws. Close covers and
engage.
7. Switch on ignition, operate and check all lights.
Side turn signal lights
To replace bulb, remove lamp
housing:
1. Slide lamp to the front and remove
it out of the front wing with the rear
end.
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Vehicle care143
2. Turn bulb holder anticlockwiseand remove from housing.
3. Pull bulb from bulb holder andreplace it.
4. Insert bulb holder and turnclockwise.
5. Insert front end into front wing, slide forward and insert rear end.
Centre high-mounted brake light
Have LEDs replaced by a workshop.
Number plate light
1. Unscrew both screws.
2. Remove bulb housing downwards, taking care not to pull
on the cable.
Rotate bulb holder anticlockwise
to disengage.
3. Remove bulb from bulb holder and replace it.
4. Insert bulb holder into bulb housing and turn clockwise.
5. Insert bulb housing and secure using a screwdriver.
Page 149 of 197
Vehicle care147No.Circuit18Engine control module219Injection system/Ignition20Air conditioning system21Battery sensor22Electric steering column lock23Cooling fan low24–25Exterior mirror switch26Engine control module/Manual
transmission automated
module27Fuel system28Brake switch29Seat occupancy recognition30Headlight range adjustment31Horn32Front fog light33High beam leftNo.Circuit34High beam right35–36Rear wiper37Cornering light left38Washer system39Cornering light right40–41–42Starter 243Instrument panel44Manual transmission auto‐
mated45Starter 146ABS47Cooling fan high48Front wiper49Body control module/Retained
power offAfter having changed defective fuses
close the fuse box cover and press
until it engages.
If the fuse box cover is not closed
correctly, malfunction may occur.
Instrument panel fuse box
The fuse box is located on the driver's
side behind a cover in the instrument
panel.
To open the compartment, compress
the locking tabs, fold cover down and remove.
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148Vehicle careNo.Circuit1Onstar2Air conditioning system3Instrument panel4Transmission control module5Infotainment6Body control module7Rear parking assist8Data link connection9Electric steering column lock10Sensing and Diagnostic module11DC transformer12–13Electronic toll collection system14Linear power module15Central locking system/Ignition
system16Ignition systemNo.Circuit17forward collision alert18Instrument panel19Forward collision alert indication20Headlight range adjustment21Power windows, front22Power windows, rear23–24Manual transmission auto‐
mated module25Auxiliary power outlet26Sunroof27–28Body control module 829Body control module 730Body control module 631Body control module 532Body control module 4
Page 158 of 197

156Vehicle care9Warning
Use of unsuitable tyres or wheel
covers could lead to sudden
pressure loss and thereby
accidents.
Tyre chains
Tyre chains are only permitted on the
front wheels.
Always use fine mesh chains that add no more than 10 mm to the tyre tread
and the inboard sides (including chain lock).
9 Warning
Damage may lead to tyre blowout.
Tyre chains are only permitted on
tyres of size 165/65 R14.
Tyre chains are not permitted on tyres of size 185/55 R15 and 195/45 R16.
The use of tyre chains is not permitted on the temporary spare wheel.
Tyre repair kit Minor damage to the tyre tread can be
repaired with the tyre repair kit.
Do not remove foreign bodies from
the tyres.
Tyre damage exceeding 4 mm or that is at the tyre's sidewall cannot be
repaired with the tyre repair kit.
9 Warning
Do not drive faster than 50 mph.
Do not use for a lengthy period.
Steering and handling may be
affected.
If you have a flat tyre:
Apply the parking brake and engage
first gear or reverse gear.
The tyre repair kit is in the tool box
under the floor cover in the load
compartment.
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160Vehicle care●Do not start the vehicle when it is
raised on the jack.
● Clean wheel nuts and thread with
a clean cloth before mounting the
wheel.9 Warning
Do not grease wheel bolt, wheel
nut and wheel nut cone.
1. Steel wheels:
Pull off the wheel cover.
Alloy wheels with bolt caps
Disengage wheel bolt caps with a
screwdriver and remove. To
protect the wheel, place a soft
cloth between the screwdriver
and the alloy wheel.
Alloy wheels with centre cap
Insert extractor in the open slot of
the centre cap and remove the
cap from the wheel. Vehicle tools 3 149.
2. Install the wheel wrench ensuring
that it locates securely and looseneach wheel bolt by half a turn.
The wheels might be protected by
locking wheel bolts. To loosen
these specific bolts, first attach
the adapter for the locking wheel
bolts onto the head of the bolt
before installing the wheel
wrench. The adapter is located in
the glovebox.3. Ensure the jack is correctly positioned under the relevant
vehicle jacking point.
4. Set the jack to the necessary height. Position it directly below