bulb Seat Exeo ST 2011 Owner's Guide

276If and when
Removing the 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. 220 Luggage com-
partment: Location of the
bolt securing the tail
light unit
Fig. 221 Removing tail
light 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 tailgate.
– Prise off the cover with a screwdriver in the slot ⇒ fig. 220 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 anti-clockwise (arrows) 2
.
– Gradually ease the tail light out of the housing ( ⇒ fig. 221 posi-
tions 3
and 4) by pulling alternately in positions 1 and 2.
– Remove the bulb holder ⇒ page 277.
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 qualified workshop.
Note
Make sure you have a soft cloth ready to place under the glass on the tail
light, to avoid any scratches. 

277
If and when
Remove the bulb holder
When changing a bulb, you must first remove the bulb hold-
er.
Fig. 222 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. 222.
– Lift the bulb carrier off in direction of the arrow B
.
– Change the defective bulb ⇒ page 277 ⇒ page 278.
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. 223 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 whether the new bulb is working.
– Re-install the bulb holder ⇒ page 278. 
Safety FirstOperating InstructionsPractical TipsTechnical Specifications

278If and when
Position of the bulbs
Pos.
⇒ fig. 223Bulb function
ATurn signalP21WBBrake lights and side lightsP21W LL
Changing bulbs. LED lamps
All bulbs can be changed easily in the bulb holder.
Fig. 224 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 whether the new bulb is working.
– Re-install the bulb holder ⇒ page 278.
Position of the bulbs
Pos.
⇒ fig. 224Bulb function
ATurn signalPY21W
Fitting the bulb holder
The bulb holder is easy to fit.
Fig. 225 Securing the
bulb holder in the tail
light unit
– Check that the seal is seated correctly on the bulb holder. 

279
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. 225 -arrows- have en-
gaged.
– Re-install the tail light unit ⇒ page 279. 
Fitting the tail light unit
The tail light unit is easy to fit.
Fig. 226 Fitting the tail
light unit
Fig. 227 Luggage com-
partment: Location of the
bolt securing the tail
light unit
– First place the tail light unit in ⇒ fig. 226 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. 227 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

280If 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 tailgate) Overview of tail lights
Fig. 228 Overview of tail
lights
Tail lights on the tailgate
● Rear side lights
● Rear fog light
● Reverse lights Overview of tail lights. LED lamps
Fig. 229 Overview of tail
lights
Tail lights on the tailgate
● 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. 

281
If and when
Remove the bulb holder
The tailgate must be open to change the bulbs.
Fig. 230 Remove the
cover of the tailgate trim
Fig. 231 Remove the
bulb holder
You can access the bulb holder for the inner tail lights via the in-
side of the tailgate. –
Check which of the bulbs is defective.
– Insert the screwdriver into the opening in the cover ⇒ fig. 230
1
and detach the cover 2.
– Press on the tabs A
⇒ fig. 231 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 281 ⇒ page 282.
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. 232 Position of the
bulbs in the bulb holder.
Example: Tail lights on
the tailgate 
Safety FirstOperating InstructionsPractical TipsTechnical Specifications

282If 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 whether the new bulb is working.
– Re-install the bulb holder ⇒ page 283.
Position of the bulbs
Pos.
⇒ fig. 232Bulb function
AReverse lightsP21W LLBRear side lightsW5W LLCRear fog lightH21W Changing bulbs. LED lamps
All bulbs can be changed easily in the bulb holder.
Fig. 233 Position of the
bulbs in the bulb holder.
Example: Tail lights on
the tailgate
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 whether the new bulb is working.
– Re-install the bulb holder ⇒ page 283. 

283
If and when
Position of the bulbs
Pos.
⇒ fig. 232Bulb 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. 234 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. 234, arrow 1
.
– Insert the bulb as shown by the arrow 2
⇒ fig. 234.
Safety FirstOperating InstructionsPractical TipsTechnical Specifications

284If and when
Luggage compartment lights
Fig. 235 Luggage com-
partment light
Fig. 236 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. 

285
If and when
Registration light
Fig. 237 Number plate
light
Fig. 238 Number plate
light
– To remove the light cover, unscrew the bolts ⇒ fig. 237.–
Remove the bulb, moving it in the direction of the arrow and
outwards ⇒ fig. 238.
– Installation is done in the reverse order. 
Safety FirstOperating InstructionsPractical TipsTechnical Specifications