Car Radio Shows 1000: VW/Audi Code Entry

You have been waiting patiently with the ignition on, and your Volkswagen or Audi radio display has just changed from SAFE to 1000. This is the moment you have been waiting for — 1000 means the radio is ready to accept the unlock code. Here is exactly what to do next.

What Does 1000 Mean on a VW or Audi Radio?

The display 1000 is the default starting position for code entry on Volkswagen Group (VAG) radios. It is not the code itself — it is the input cursor showing that all four digit positions are at their default value and waiting for you to set the correct combination. The radio has completed its one-hour safety delay after detecting a power interruption and is now accepting input.

This appears on the following VAG platforms:

• Volkswagen: RCD 200, RCD 300, RCD 310, RCD 510, RNS 300, RNS 310, RNS 510, Composition Colour, Composition Media
• Audi: Concert, Symphony, RNS-E, and some earlier MMI units
• SEAT: Radio units shared with VW platform (Ibiza, Leon, Ateca)
• Škoda: Radio units shared with VW platform (Octavia, Fabia, Superb, Karoq, Kodiaq)

How to Enter the Code When 1000 Is Displayed

1. Confirm the display shows 1000 (not SAFE). If it still shows SAFE, wait longer — the transition typically takes about 60 minutes from first power-on after a battery interruption.
2. Use preset button 1 to set the first digit of your code. Each press of button 1 increments the first digit by one. To set a 3, press button 1 three times.
3. Use preset button 2 to set the second digit in the same way.
4. Use preset button 3 for the third digit.
5. Use preset button 4 for the fourth digit.
6. Once all four digits match your code, press the Seek/Scan button (the right-pointing arrow button or the right side of the tuning rocker) to confirm.
7. The display will briefly show the code you have entered, then clear and the radio will unlock — audio and all functions return to normal.

VW/Audi Radio Models and Serial Formats

Unit	Serial Prefix	Typical OEM	Vehicles (examples)
RCD 310	VWZ (14 chars)	Bosch / Grundig	Golf VI/VII, Polo 6R/6C/AW, Up I
RCD 510	VWZ (14 chars)	Continental / Bosch	Passat B7, Tiguan II, Touran
RNS 510	VWZ (14 chars)	Bosch	Golf VI, Passat B6/B7, Tiguan I
RCD 300	VWZ (14 chars)	Blaupunkt / Bosch	Golf V, Polo 9N3, Touareg I
Audi Concert	AUZ (14 chars)	Philips / Blaupunkt	A3 8P, A4 B6/B7, A6 C5/C6
Audi Symphony	AUZ (14 chars)	Blaupunkt / Becker	A4 B6/B7, A6 C5/C6, A8 D3
Audi RNS-E	AUZ (14 chars)	Harman	A3 8P, A4 B7, TT 8J, Q7

How to Find Your VW or Audi Radio Serial Number

On most VW and Audi units you do not need to remove the radio to find the serial. With the radio displaying SAFE or 1000:

• VW RCD 310 / RCD 510 / RNS 510: Press and hold preset buttons 1 and 4 simultaneously. The serial number (14 characters beginning VWZ) scrolls across the display for approximately 8 seconds.
• Audi Concert / Symphony: Press and hold 2 and 6 simultaneously, or 1 and 6 on some variants. The AUZ serial appears on the display.
• Audi RNS-E: Navigate to Setup → System Information on the RNS-E screen to display the serial.
• Physical label: If the on-screen shortcut does not work, use DIN extraction keys (two pairs, one for each side slot) to pull the unit forward 10 cm and read the label on the top or side.

Once you have the serial, obtain your code at radiocodelookup.com/brands by selecting Volkswagen, Audi, SEAT or Škoda and entering the serial number.

Common Mistakes When Entering on 1000

• Pressing Seek before setting all digits: Confirm only once all four digits are correct. Pressing Seek on 1000 with no changes will enter an incorrect code (the code is very unlikely to start with all zeros).
• Losing count of button presses: Press slowly and watch each digit change on the display. If you overshoot (e.g. pressed button 1 six times for a digit of 3), you cannot go back — you must press 10 more times to cycle back to 3 (digits wrap at 9 back to 0).
• Using the wrong serial: The code is unit-specific. If the radio was replaced, the new unit's serial produces a different code from the original.

Frequently Asked Questions

My VW radio shows 1000 but then immediately goes back to SAFE — what is happening?

This usually means the one-hour timer has not fully expired and the unit is toggling. Ensure the ignition is in position II (accessories on) and leave the radio powered for the full 60 minutes from the moment it first shows SAFE. Some units require the engine to be running rather than just accessories.

I pressed Seek on 1000 by accident. Have I used up an attempt?

Yes — pressing Seek with the display showing 1000 (i.e. entering 1000 as the code) counts as one wrong attempt. The radio will return to SAFE and you must wait another hour before it shows 1000 again. This time, wait for 1000, then set each digit before confirming.

Why does my Audi display show 0000 instead of 1000?

Some Audi Concert and Symphony variants use 0000 as the starting cursor rather than 1000. The entry method is identical — use preset buttons 1–4 to set each digit, then press Seek to confirm. The starting display does not affect the code itself.

Does the 1000 display mean my code starts with 1?

No. The 1000 display is just the default input cursor. Your code can start with any digit from 0 to 9. Use button 1 to increment the first digit to whatever the first digit of your actual code is.

Can I use the same code for my VW and my Audi if they were in the same car?

No. Each unit has a unique code tied to its own serial number. A VW-platform serial beginning VWZ and an Audi serial beginning AUZ generate completely different codes even if the physical units look identical.