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Vauxhall Astra radio code from your serial

Older Astra radios, like the CDR 500 and CDR 2005, have a serial starting GM on the label. Check it for free and get your Vauxhall Astra radio code.

Where do I find it?
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  • Years we cover: 1991–2004
  • Serial: 14 letters and numbers starting GM, like GM0205Y9019162
  • Where: on the label on the radio
  • Code: in seconds, 1.3 million codes held
Radios we cover
  • CDR 500
  • CDR 2005
  • Blaupunkt
  • Bosch
  • £9.99one price per code
  • Freeserial check before you pay
  • Under 30 secondshow long a code actually took, measured on our own orders
  • Money backif the code doesn’t work

Which radio is in your Vauxhall Astra?

The Astra has had 3 sets of radios since 1991, from the Vauxhall cassette and CD radios to the CD30, CD70 Navi and later radios. Find yours by year below, but go by the serial: radios get swapped, and the free check reads it for you.

YearsRadiosSerialCode
1991–1998Astra F Vauxhall cassette and CD radios 14 letters and numbers, usually starting GM Instant
1998–2004Astra G CDR 500, CDR 2005 and Blaupunkt-made radios 14 letters and numbers starting GM Instant
2004 onAstra H on CD30, CD70 Navi and later radios No code to type in Not availableThese radios don’t ask for a code you can type in: they have to be matched to the car, which a Vauxhall dealer or specialist does.

How to find your Vauxhall Astra radio serial number

Where it is

On the label

  1. The serial is not shown on screen.
  2. Take the radio out with radio removal keys (some have extra screws to undo first).
  3. Copy the serial from the label: 14 letters and numbers starting GM.

Photograph the label rather than copying it by hand — 0 and O, 1 and I are easy to mix up.

RADIOPush both keys in until they click, then pull the radio forward

It comes out with a pair of radio removal keys. Which keys, and where they go: how to remove a car radio.

Tips for your Vauxhall Astra

  • The serial isn’t shown on screen. Take the radio out with radio removal keys and copy the serial from the label.
  • You only get 10 tries on a CDR radio, so please don’t guess.

What your serial looks like

  • GM0205Y9019162 Vauxhall CDR500 / CDR200514 letters and numbers starting GM Instant
  • BP3782R3701682 Blaupunkt / Bosch14 letters and numbers starting BP, BO or PO Instant

How to enter your Vauxhall Astra radio code

  1. Hold AS and switch the radio on. The screen shows SAFE, then 10 - - - -.
  2. Buttons 1 to 4 set each number.
  3. Hold AS until it beeps.

Every button press, and what the screen does if the code is wrong: How to enter a Philips radio code.

If your Vauxhall Astra radio says LOCKED, WAIT or SAFE

RadioWhat to do
Vauxhall CDR500 / CDR2005You only get 10 tries before the radio locks for good, so please don’t guess.
Blaupunkt / BoschAfter a wrong code, most Blaupunkt radios make you wait before the next try, and the wait gets longer each time. Leave the radio switched on until it asks for the code again.

What LOCKED, WAIT and SAFE mean, and how long to wait →

Vauxhall Astra radio code questions

Where is the serial on an Astra radio?

On the label on the radio. Take the radio out with radio removal keys (some have screws to undo first) and copy the 14 letters and numbers starting GM.

My Astra H radio says it needs a code.

CD30 and CD70 radios don’t use a code you can type in. They have to be matched to the car with the car’s security information, which a Vauxhall dealer or specialist can do.

Can you do every Vauxhall Astra radio?

For 1991–1998, 1998–2004, yes: the code appears on screen as soon as you have paid; for 2004 on, not at the moment. These radios don’t ask for a code you can type in: they have to be matched to the car, which a Vauxhall dealer or specialist does. The free check tells you which yours is before you pay.

Which radio does my Vauxhall Astra have?

It depends on the year. 1991–1998 (Astra F): Vauxhall cassette and CD radios. 1998–2004 (Astra G): CDR 500, CDR 2005 and Blaupunkt-made radios. 2004 on (Astra H on): CD30, CD70 Navi and later radios. Radios were often swapped, so the serial on yours is what counts.

What does the serial look like on a Vauxhall Astra?

1991–1998: 14 letters and numbers, usually starting GM. 1998–2004: 14 letters and numbers starting GM. For example GM0205Y9019162.

Do I have to take the radio out of my Vauxhall Astra?

Yes: the serial is on the label, not the screen. It comes out with a pair of radio removal keys.

How do I enter the code on a Vauxhall Astra?

Hold the AS key down while switching the radio on. The display shows SAFE, then 10 - - - -, where the 10 is how many attempts you have left. Preset 1 sets the first digit, preset 2 the second, preset 3 the third and preset 4 the fourth — press each repeatedly until the right digit shows. Then press and hold AS until it beeps. A wrong entry means starting the whole number again.

Another Vauxhall?

Every Vauxhall radio we can unlock is on our Vauxhall radio code page. Close to this one: Corsa, Zafira, Vectra, Meriva, Vivaro, Combo, CDR500, CDR2005.

Updated October 2026