Removing and installing additional brake light M25 — VW
Removing and installing additional brake light M25 on VW: factory workshop procedure. Full factory text, tools and checks.
Workshop procedure for VW — the factory write-up, straight from real workshop data.
📋 Procedure
Removing and installing
additional brake light
M25
Note
Failure of LEDs in additional brake lights
The individual LEDs (light-emitting diodes) in the additional (high) brake light are located together in groups of 3 LEDs and are supplied with current in groups.
Due to the failure of individual LEDs, the intact LEDs of the group in question are placed under increased strain and it must therefore be anticipated that further LED will soon fail as well.
If an LED group (3 individual light-emitting diodes) fails, the legal light values of the ECE ruling (ECE = Economic Commission for Europe) are still complied with.
If more than 3 individual LEDs fail, the legal light values of the ECE ruling (ECE = Economic Commission for Europe) are no longer complied with and the light for the additional (high) brake must be replaced.
Removing:
Switch off ignition and all electrical loads, and pull out ignition key.
Remove rear lid trim
General body repairs, interior
Rep. gr.
70
Rear lid trim.
Use a suitable screwdriver to push the black removal slide
1
in
direction of arrow
until it falls off the
additional brake light bulb
M25
2
Note
The retaining clips are released when the additional brake light bulb is removed. Take the removal slide and all retaining clips out of the rear lid after removing the additional brake light bulb.
The seal is glued to the
additional brake light lamp
M25
and the body.
If the seal is damaged during removal, the
additional brake light lamp
M25
should be replaced.
Push
additional brake light lamp
M25
1
out of body opening in rear lid by hand from the inside.
Release and pull connector
2
off and remove
additional brake light lamp
M25
1
.
Installing:
Installation is carried out in the reverse order. When installing observe the following:
Push all retaining clips
1
onto
additional brake light lamp
M25
.
Fit removal slide
2
in place and push it until the markings on the bottom of light housing and removal slide
arrows
are in line with each other.
Attach connector so that it latches into place.
Insert
additional brake light
M25
into opening in body and push it in until it engages securely.
Check functioning of
additional brake light lamp
M25
.
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Who makes these pages, and how
TorqFix was built by a mechanic — after a 2,700 km drive with five roadside repairs that no diagnostic tool could explain.
The figures on this page come from manufacturer workshop documentation and are shown as they are. The page is assembled automatically from that data — it is not written by an AI. The AI works in the chat, where it answers for your specific car. It writes nothing here.
Variants of the same model differ. Cross-check torque against the factory manual for your engine before final tightening.
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The story behind TorqFix →Workshop data on this page last updated 20 Sep 2026.