bulb Seat Exeo ST 2013 Owner's Guide

286If and when
Removing tail light
To change the bulbs you must remove the tail light assem-
bly. Removing the light requires a certain degree of practical
skill.
Fig. 224 Luggage com-
partment: Location of the
bolt securing the tail
light unit
Fig. 225 Remove rear
light unit from side panel A special retaining screw is used to secure and guide the tail light.
–
Check which of the bulbs is defective.
– Open the rear lid.
– Prise off the cover with a screwdriver in the slot ⇒ Fig. 224 1
and remove the cover (with all the retaining clips) from the
opening.
– Carefully loosen the screw located behind the cover with a
screwdriver, turning it anticlockwise (arrows) 2
.
– Gradually ease the tail light out of the housing ( ⇒ Fig. 225 posi-
tions 3
and 4) by pulling alternately in positions 1 and 2.
– Remove the bulb holder ⇒ page 287.
CAUTION
When removing or installing the tail light, take care not to cause any dam-
age.
● Removing the tail light in particular can lead to the paintwork or tail light
becoming damaged. This is another reason why we recommend having the
bulbs changed by a specialised workshop.
Note
Make sure you have a soft cloth ready to place under the glass on the rear
light unit, to avoid any scratches. 

287
If and when
Remove the bulb holder
When changing a bulb, you must first remove the bulb hold-
er.
Fig. 226 Retaining tabs
on reverse side of tail
light
There are four securing tabs on the inside of the tail light unit.
– Release the retaining tabs A
⇒ Fig. 226.
– Lift the bulb carrier off in direction of the arrow B
.
– Change the defective bulb ⇒ page 287 ⇒ page 288.
WARNING
If a bulb is replaced in a tail light assembly with LED, do not pull too hard
on the bulb holder. This may damage the wiring of the LED module.
 Changing bulbs
All bulbs can be changed easily in the bulb holder.
Fig. 227 Position of the
bulbs in the bulb holder:
Example: Outer left tail
light
The bulbs are secured with a bayonet fastener. The table below
gives an overview of the bulb positions.
– Lightly press the defective bulb into the bulb holder, then turn it
to the left and remove it.
– Fit the new bulb, pressing it into the bulb holder and turn it to
the right as far as it will go.
– Use a cloth to remove any fingerprints from the glass part of the
bulb.
– Check that the new bulb works properly.
– Re-install the bulb holder ⇒ page 288. 
Safety FirstOperating instructionsPractical TipsTechnical Specifications

288If and when
Position of the bulbs
Pos.
⇒ Fig. 227Bulb function
ATurn signalP21WBBrake lights and side lightsP21W LL
Changing bulbs. LED lamps
All bulbs can be changed easily in the bulb holder.
Fig. 228 Position of the
bulbs in the bulb holder:
Example: Outer left tail
light
The bulb is secured with a bayonet fastening. The table below
gives an overview of the bulb positions.
– Lightly press the defective bulb into the bulb holder, then turn it
to the left and remove it.
– Fit the new bulb, pressing it into the bulb holder and turn it to
the right as far as it will go. –
Use a cloth to remove any fingerprints from the glass part of the
bulb.
– Check that the new bulb works properly.
– Re-install the bulb holder ⇒ page 288.
Position of the bulbs
Pos.
⇒ Fig. 228Bulb function
ATurn signalPY21W
Fitting the bulb holder
The bulb holder is easy to fit.
Fig. 229 Securing the
bulb holder in the tail
light unit
– Check that the seal is seated correctly on the bulb holder. 

289
If and when
– Position the bulb holder on the tail light and align it so that it is
securely seated.
– Press the bulb holder into the tail light until it engages.
– Check that all four retaining tabs ⇒ Fig. 229 -arrows- have en-
gaged.
– Re-install the tail light unit ⇒ page 289. 
Fitting the tail light unit
The tail light unit is easy to fit.
Fig. 230 Fitting the tail
light unit
Fig. 231 Luggage com-
partment: Location of the
bolt securing the tail
light unit
– First place the tail light unit in ⇒ Fig. 230 arrow 1
in the hous-
ing.
– Gently press the tail light unit against the housing, first in posi-
tion 2
and then in position 3, until that the clips engage firm-
ly in the rubber mountings.
– Apply gentle pressure to the upper part of the tail light unit and
secure using the screwdriver, from the luggage compartment
⇒ Fig. 231 1
.
– Try to move the tail light sideways to ensure it is correctly fitted.
– Fit the cover back onto the screw, with the notch pointing to the
rear 2
.
– Make sure that all bulbs for the tail lights are working. 
Safety FirstOperating instructionsPractical TipsTechnical Specifications

290If and when
CAUTION
Take care when fitting the tail light unit to make sure there is no damage to
the paintwork or any of its components. 
Changing tail light bulbs (on rear lid)
Overview of tail lights
Fig. 232 Overview of tail
lights
Tail lights on the rear lid
● Rear side lights
● Rear fog light
● Reverse lights Overview of tail lights. LED lamps
Fig. 233 Overview of tail
lights
Tail lights on the rear lid
● Rear side lights
● Rear fog light
● Reverse lights
Note
● It is only possible to replace the rear fog lamp and the reversing light.
● If the side light (LED lamp) gives signs of failing, the light should be re-
placed.
● The failure of the lamp is only shown when the LED function goes out
completely. Sometimes, a LED will stop working, without displaying the
warning as the function continues to operate. 

291
If and when
Remove the bulb holder
The rear lid must be open to change the bulbs.
Fig. 234 Remove the
cover of the rear lid trim
Fig. 235 Remove the
bulb holder
You can access the bulb holder for the inner tail lights via the in-
side of the rear lid. –
Check which of the bulbs is defective.
– Insert the screwdriver into the opening in the cover ⇒ Fig. 234
1
and detach the cover 2.
– Press on the tabs A
⇒ Fig. 235 in the direction of the arrows
and remove the bulb holder by pulling in the direction of the ar-
row B
.
– Change the bulbs ⇒ page 291 ⇒ page 292.
WARNING
If a bulb is replaced in a tail light assembly with LED, do not pull too hard
on the bulb holder. This may damage the wiring of the LED module.

Changing bulbs
All bulbs can be changed easily in the bulb holder.
Fig. 236 Position of the
bulbs in the bulb holder
Example: Tail lights on
the rear lid 
Safety FirstOperating instructionsPractical TipsTechnical Specifications

292If and when
The bulbs are secured with a bayonet fastener. The table below
gives an overview of the bulb positions.
–Lightly press the defective bulb into the bulb holder, then turn it
to the left and remove it.
– Fit the new bulb, pressing it into the bulb holder and turn it to
the right as far as it will go.
– Use a cloth to remove any fingerprints from the glass part of the
bulb.
– Check that the new bulb works properly.
– Re-install the bulb holder ⇒ page 293.
Position of the bulbs
Pos.
⇒ Fig. 236Bulb function
AReverse lightsP21W LLBRear side lightsW5W LLCRear fog lightH21W Changing bulbs. LED lamps
All bulbs can be changed easily in the bulb holder.
Fig. 237 Position of the
bulbs in the bulb holder
Example: Tail lights on
the rear lid
The bulbs are secured with a bayonet fastener. The table below
gives an overview of the bulb positions.
– Lightly press the defective bulb into the bulb holder, then turn it
to the left and remove it.
– Fit the new bulb, pressing it into the bulb holder and turn it to
the right as far as it will go.
– Use a cloth to remove any fingerprints from the glass part of the
bulb.
– Check that the new bulb works properly.
– Re-install the bulb holder ⇒ page 293. 

293
If and when
Position of the bulbs
Pos.
⇒ Fig. 236Bulb function
AReverse lightsP21W LLBRear fog lightH21W
Fitting the bulb holder
The bulb holder is easy to fit. – Position the bulb holder on the tail light and align it so that it is
securely seated.
– Press the bulb holder into the tail light until it engages.
– Fit the cover back in the interior trim so that it engages.
– Make sure that all bulbs for the tail lights are working. Side turn signals
Fig. 238 Side turn signal
– Press the turn signal to the left or to the right to remove the
bulb.
– Remove the bulb holder from the turn signal.
– Remove the failed glass bulb and replace with a new bulb.
– Insert the bulb holder in the turn signal guide until it clicks into
place.
– First place the turn signal in the opening in the bodywork, fixing
the tabs ⇒ Fig. 238, arrow 1
.
– Insert the bulb as shown by the arrow 2
⇒ Fig. 238.
Safety FirstOperating instructionsPractical TipsTechnical Specifications

294If and when
Luggage compartment lights
Fig. 239 Luggage com-
partment light
Fig. 240 Luggage com-
partment light
– Remove the tulip-shaped fitting by pressing on its inside edge
using the flat side of a screwdriver. –
Remove the protective cover and remove the bulb from the
housing. 
Registration light
Fig. 241 Number plate
light
Fig. 242 Number plate
light 

295
If and when
– Unscrew the screws to remove the bulb ⇒ Fig. 241.
– Remove the bulb, moving it in the direction of the arrow and
outwards ⇒ Fig. 242.
– Installation involves all of the above steps in reverse sequence. 
Sun visor light
Fig. 243 Removing sun
visor light
Fig. 244 Removing sun
visor light
– Remove the bulb carefully, using the flat part of a screwdriver
⇒ Fig. 243.
– Use a screwdriver to remove the protective cover.
– Remove the bulb, moving it in the direction of the arrow and
outwards ⇒ Fig. 244. 
Jump-starting
Jump leads
The jump lead must have a sufficient wire cross section. If the engine fails to start because of a discharged battery, the battery can
be connected to the battery of another vehicle to start the engine. 
Safety FirstOperating instructionsPractical TipsTechnical Specifications