2012 Seat Exeo ST bulb

288If 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. 231 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. 232 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. 

289
If and when
Remove the bulb holder
The rear lid must be open to change the bulbs.
Fig. 233 Remove the
cover of the rear lid trim
Fig. 234 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. 233
1
and detach the cover 2.
– Press on the tabs A
⇒ Fig. 234 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 289 ⇒ page 290.
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. 235 Position of the
bulbs in the bulb holder.
Example: Tail lights on
the rear lid 
Safety FirstOperating InstructionsPractical TipsTechnical Specifications

290If 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 291.
Position of the bulbs
Pos.
⇒ Fig. 235Bulb function
AReverse lightsP21W LLBRear side lightsW5W LLCRear fog lightH21W Changing bulbs. LED lamps
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
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 291. 

291
If and when
Position of the bulbs
Pos.
⇒ Fig. 235Bulb 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. 237 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. 237, arrow 1
.
– Insert the bulb as shown by the arrow 2
⇒ Fig. 237.
Safety FirstOperating InstructionsPractical TipsTechnical Specifications

292If and when
Luggage compartment lights
Fig. 238 Luggage com-
partment light
Fig. 239 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. 240 Number plate
light
Fig. 241 Number plate
light 

293
If and when
– To remove the light cover, unscrew the bolts ⇒ Fig. 240.
– Remove the bulb, moving it in the direction of the arrow and
outwards ⇒ Fig. 241.
– Installation is done in the reverse order. 
Sun visor light
Fig. 242 Removing sun
visor light
Fig. 243 Removing sun
visor light
– Remove the bulb carefully, using the flat part of a screwdriver
⇒ Fig. 242.
– Use a screwdriver to remove the protective cover.
– Remove the bulb, moving it in the direction of the arrow and
outwards ⇒ Fig. 243. 
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

Bonnet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 233Closing . . . . . . . . . . . . . . . . . . . . . . . . . . . . 235
Opening . . . . . . . . . . . . . . . . . . . . . . . . . . . 234
Releasing . . . . . . . . . . . . . . . . . . . . . . . . . . 233
Brake light Failure control . . . . . . . . . . . . . . . . . . . . . . . . 83
Brake pads . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201
Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201 Brake assist system . . . . . . . . . . . . . . . . . . 196
Brake fluid . . . . . . . . . . . . . . . . . . . . . . . . . 244
Worn brake pads . . . . . . . . . . . . . . . . . . . . . 84
Brake servo . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201
Brake system Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 198
Brake servo . . . . . . . . . . . . . . . . . . . . . . . . . 198
Malfunction . . . . . . . . . . . . . . . . . . . . . . . . . 80
Braking distance . . . . . . . . . . . . . . . . . . . . . . . 201
Bulb change general notes . . . . . . . . . . . . . . . . . . . . . . . 272
C
Car care Exterior . . . . . . . . . . . . . . . . . . . . . . . . . . . . 217
Catalytic converter . . . . . . . . . . . . . . . . . . . . . . 202
CCS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183
CD-ROM player . . . . . . . . . . . . . . . . . . . . . . . . . 150
Central locking . . . . . . . . . . . . . . . . . . . . . . . . . 101 Manual locking . . . . . . . . . . . . . . . . . . . . . . 105
Sunroof: opening and closing . . . . . . . . . . 116 Central locking system
Anti-theft security system . . . . . . . . . . . . . 103
Locking . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
Locking and unlocking the vehicle from in-side . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
Opening and closing the windows . . . . . . 114
Rear lid . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
Security central locking . . . . . . . . . . . . . . . 104
Switch on the driver door . . . . . . . . . . . . . . 103
Unlocking . . . . . . . . . . . . . . . . . . . . . . . . . . 102
Cetane number . . . . . . . . . . . . . . . . . . . . . . . . . 232
Changing the main headlight bulb Main headlight . . . . . . . . . . . . . . . . . . . . . . 276
Changing the main headlight bulbs Dipped beam headlight . . . . . . . . . . . . . . . 277
Changing the tail lights Luggage compartment lights . . . . . . . . . . 292
Changing windscreen wiper blades . . . . . . . . 242
Chassis number . . . . . . . . . . . . . . . . . . . . . . . . 301
Checklist Seat upholstery . . . . . . . . . . . . . . . . . . . . . 223
Childproof lock Rear doors . . . . . . . . . . . . . . . . . . . . . . . . . . 107
Child safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Child safety seat ISOFIX system . . . . . . . . . . . . . . . . . . . . . . . . 53
Child seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49 Categorisation in groups . . . . . . . . . . . . . . . 49
Group 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Group 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Group 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Groups 0 and 0+ . . . . . . . . . . . . . . . . . . . . . . 49 Safety notes . . . . . . . . . . . . . . . . . . . . . . . . . 47
Securing . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Child seats on the front passenger seat . . . . . . . . . . . . . 30
Cigarette lighter . . . . . . . . . . . . . . . . . . . . . . . . 155
Cleaning alloy wheel rims . . . . . . . . . . . . . . . . 221
Cleaning chrome . . . . . . . . . . . . . . . . . . . . . . . 220
Cleaning engine compartment . . . . . . . . . . . . 222
Cleaning steel wheel rims . . . . . . . . . . . . . . . . 220
Cleaning windows . . . . . . . . . . . . . . . . . . . . . . 219
Clock, setting . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Coat hooks . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160
Cockpit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Compartments . . . . . . . . . . . . . . . . . . . . . . . . . 159 In the door trim . . . . . . . . . . . . . . . . . . . . . . 160
In the front seats . . . . . . . . . . . . . . . . . . . . 161
Coolant Checking the level . . . . . . . . . . . . . . . . . . . 239
Coolant fluid Topping up . . . . . . . . . . . . . . . . . . . . . . . . . 240
Cooling system Coolant temperature gauge . . . . . . . . . . . . . 62
Malfunction . . . . . . . . . . . . . . . . . . . . . . . . . 81
Correct adjustment of front seat head re- straints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Correct adjustment of rear seat head restraints In-use and non-use positions . . . . . . . . . . . 14
Correct sitting position Front passenger . . . . . . . . . . . . . . . . . . . . . . 12
Incorrect sitting position . . . . . . . . . . . . . . . 14
314 Index