Removing the rear view mirror on the ŠKODA Octavia A5: instructions with photos and tips

Dismantling of the rear-view mirror on the ŠKODA Octavia A5 (body 1Z32004–2013 – The challenge faced by owners when replacing a component, installing a DVR or repairing mounts. At first glance, the procedure seems simple, but without knowing the nuances, you can damage the ceiling skin, break the wiring of the rain sensor or break the plastic fixtures. In this article, step-by-step algorithm with photos, a list of necessary tools and list of common mistakesthat beginners admit.

Feature Octavia A5 Integrated in the mirror sensor of rain and light (on versions with climate control), which is connected to the control unit J400. Incorrect disconnection of connectors can lead to errors on the dashboard, for example, 01503 Rain Sensor (G397). We will tell you how to avoid such problems and preserve the functionality of electronics.

Preparation: Tools and Safety Precautions

Before starting work, make sure you have everything you need. Unlike newer models Octavia A7/A8where the mirror is mounted on the latches, in A5 a combined system is used: a metal plate with a bolt and plastic clips. Without the right tools, you risk tearing the thread or damaging the skin.

Here minimum setwhich you will need:

• 🔧 10 mm socket wrench or socket (to unscrew the mounting bolt).
• 🪛 Plastic puller or pick (for the slacking of the ceiling).
• 🔌 Flat blade screwdriver (to crack the locks).
• 📸 Phone or camera (To determine the location of the wires).
• 🧲 Magnetic holder (To avoid losing the bolt in the cabin).

⚠️ Attention: If your Octavia A5 It's equipped with a rain sensor. be sure to turn off the ignition before dismantling! Otherwise, the control unit may record an error. 00474 - Power supply voltage of the rain sensorwhich will then be thrown through VCDS.

Also prepare your workspace:

• 🚗 Park the car on a level surface and lock the handbrake.
• 🔦 Provide good lighting (use a flashlight or portable lamp).
• 🧹 Remove from the front panel any small objects that may fall during work.

Step 1: Dismantling the ceiling paneling

The main difficulty in removing the mirror on Octavia A5 - access to the mounting bolt, which is hidden under the decorative lining. To get to it, you will have to partially remove the ceiling skin. Do not try to do it “by eye” – you risk tearing the material or breaking clips.

Algorithm of actions:

1. Lower the sun visors (both driver and passenger) down.
2. Carefully place a plastic lining around the mirror plastic puller (start from the bottom edge).
3. Click 4 locks around the perimeter of the lining. They are fragile, so don’t put too much effort into it!
4. Remove the pad and put it aside (do not put it on the seat - you can scratch).

Under the overlay you will see metal plate with a bolt in the middle and a bundle of wires (if there is a rain sensor). Don’t pull the wires – first unscrew the bolt!

Step 2: Unwinding the mounting bolt

The bolt holding the mirror is sized M6 and twisted at a force of ~1.5 Nm. Use it. 10 mm socket wrench - Carob or cape can tear the edges. If the bolt is stuck (a common occurrence on cars older than 10 years), do not try to unscrew it by force. Take advantage of penetrating lubricant WD-40 or Liqui Moly MoS2:

• Apply thread lubricant.
• Wait 5–10 minutes.
• Try to unscrew again, applying a moderate effort.

After the bolt is unscrewed Don't get him far away. It has a specific length and pitch of thread. If you lose it, it will be difficult to find an analogue (original article). N 908 132 01).

⚠️ Attention: On some restyled versions Octavia A5 FL (2009–2013) The bolt can be closed with an additional plastic plug. It should be carefully tucked with a screwdriver so as not to damage the ceiling.

If the bolt is unscrewed, but the mirror is not removed, check:

• 🔍 Are there any unnoticed fixtures under the skin?
• 🔌 Does the rain sensor wire cling to the metal plate?

Step 3: Turn off the electrical connectors

On versions Octavia A5 with a rain and light sensor (G397) the mirror is connected to the on-board network through two-pin connector (Power + signal). On models without a sensor, the connector may be absent, but the wires still need to be carefully removed so as not to damage them when removing the mirror.

Disabling procedure:

1. Look at the back of the mirror and find a plastic connector (usually black or gray).
2. Press the connector lock (usually a small plastic latch) and pull it down.
3. If the connector does not move, do not pull it! It may have been fixed with an additional stopper. In this case, put the lock with a thin screwdriver.

Critically important: on some trim levels, the connector has an inverse polarity. If the connection is not correct after installation, the rain sensor will fail! Remember or photograph the original position of the wires.

Wire color	Purpose	Voltage (V)
Red	Power (+12V)	11.5–14.5
Black	Weight (–)	0
Yellow	Rain sensor signal.	0-5 (analogue)
Green	Light sensor signal	0-5 (analogue)

Step 4: Removing the mirror from the bracket

After unscrewing the bolt and disconnecting the connectors, the mirror should easily be removed from the bracket. However, in practice, two problems often arise:

1. The mirror is stuck to the plate. Especially if the vehicle is in high humidity. In this case, gently swing the mirror left-right, without putting excessive effort.
2. Sensor wires caught on the bracket - Don't pull them! Release the wires with your hand so as not to break the insulation.

If the mirror is removed, examine the back of it:

• 🔍 Check the integrity of the plastic guides on the bracket.
• 🔌 Make sure the connector contacts are not oxidized (clean them if necessary) contact spray).
• 📏 Measure the length of the bolt – if it is deformed, replace it with a new one.

⚠️ Attention: On car-dimmed mirrors (auto-dimming) an electrolytic capacitor is installed inside. If you plan to keep the mirror removed for longer than a week, discharge the capacitorThen he put his head in the back of a sleeve. Otherwise, it could be out of order.

Installing the mirror back: nuances

The mirror is installed in reverse sequence, but there are several critical momentsthat are often missed:

1. Positioning: Make sure the mirror sits on the bracket guides until it clicks. If it hangs, check if the metal plate is bent.
2. Bolt tightening: Don't overtighten! Optimal effort - 1.5 Nm. If exceeded, you can tear the thread in the plastic base.
3. Connector connection: Press it until you click it. If the lock is not clicked, check if the contacts are bent.

After installation:

• 🔧 Turn on the ignition and check the rain sensor (spray water on the windshield - wipers should work automatically).
• 💡 Make sure that the mirror lighting (if any) is turned on when the doors are opened.
• 🚗 Take a test drive: drive 50–100 meters and check if there are any errors on the dashboard.

Common mistakes and how to avoid them

Even experienced car owners make mistakes when taking a mirror off the car. Octavia A5. Here are the most common ones and ways to prevent them:

Error	Consequences	How to avoid
Using a metal tool to remove the skin	Scratches on plastic, torn ceiling fabric	Use only a plastic printer or mediator
Unscrewing the bolt without fixing the mirror	Falling mirror on dashboard, sensor damage	Hold the mirror with your hand or fix tape
Confused polarity when connecting the connector	Rain sensor failure, error 01503	Photograph the original connection or use a multimeter
Excessive tightening of the bolt	Breakdown of thread in plastic base	Use a dynamometer key (1.5 Nm)

Another common problem is extraneous noise after installation. If the mirror starts to rattle on irregularities, the reasons may be as follows:

• 🔧 A short bolt of mounting.
• 🔌 A poorly fixed connector that hits a metal plate.
• 📏 Deformed plastic lining (if it is not installed back incorrectly).

What if the mirrors stopped working?

If the wipers refuse to turn on automatically, but work in manual mode, the problem lies in the rain sensor or its connection. Check it out.

1. Integrity of wires (especially yellow and green).

2. Clean connector contacts (oxidation can block the signal).

3. Settings in the block 09-Cent. Elect. (Sometimes calibration is lost after power is turned off).

If the sensor is damaged, its article for Octavia A5 — 1K0 955 559 B (with light function) or 1K0 955 559 (rain only)

FAQ: Frequently asked questions about removing the mirror on the Octavia A5

Can I remove the mirror without unscrewing the bolt?

Nope. Unlike some modern models (for example, Octavia A8where the mirror is held on the latches, on A5 The bolt is the main anchorage. Attempts to remove the mirror without unscrewing the bolt will lead to breakage of plastic guides or bracket.

How do I know if there is a rain sensor in the mirror?

Presence of a rain sensor (G397) can be determined by the following:

• On the mirror there is a small window with darkened glass (located at the bottom).
• When the ignition is turned on, a green or red LED indicator falls on the window.
• In the on-board computer menu (MFA) there is a point Rain sensor.
• On the dashboard there is a button for automatic switching on wipers.

If at least one of the points coincides, a sensor is installed in the mirror.

What to do if after removing the mirror on the ceiling there are traces of glue?

On some Octavia A5 (especially in early releases) the mirror is additionally fixed with bilateral tape. To remove the glue residue:

1. Use white spirit or glue cleaner (for example, 3M Adhesive Remover).
2. Apply the product to a cotton swab and gently wipe the surface.
3. Do not use acetone – it can damage the skin fabric!
4. After cleaning, wipe the ceiling with a dry microfiber.

If the glue does not go away, try to heat it with a hair dryer (temperature not higher than 60 ° C).

Is it possible to install a mirror from an Octavia A7 on an A5?

Technically possible, but some improvements will be required:

• Reinstallation of the mirror A7 wider, so you will need to launder a hole in the ceiling or use a transition plate.
• Rain sensor connector on A7 has a different pin-out (not compatible with the A5 without adapter).
• Auto-dimming function (auto-dimming) may not work correctly due to different data exchange protocols.

If you need a mirror with a rear-view camera or display, it is easier to buy the original for the camera. A5 (for example, 1Z3 857 511 G camera-wise) or universal from Bosch/HELLA with adapter.

How to check the functionality of the rain sensor after installation?

To test the sensor G397 follow these steps:

1. Turn on the ignition.
2. Set the wiper switch in position AUTO.
3. Direct a jet of water from the spray gun onto the windshield into the area in front of the mirror (usually marked with labels).
4. The wipers should work within 1-2 seconds. If there is no reaction, check:
   • Connect the connector to the mirror.
   • Settings in the block 09-Cent. Elect. (channel Rain Sensor — Activation must be Yes).
   • Fuse integrity S16 (10A) in the fuse box.

If the sensor does not respond to water, but the wipers are manual, the problem is with the sensor itself or its calibration.