My radio in my 2001 pont. grand am displays locked.it's comes on then displays locked ,but today it came on until i truned the car off,turned radio back on locked

I need more information. When the radio is on, does the display show 4 lines like this. ---- or does it spell the word "lock" on the display. If it says "lock" , you must take it to a G.M. dealer .
If it shows the dash lines, then turn off the radio.Turn the key to "run". Hold the preset buttons 5 & 6 down for 5 seconds or so until you see the ----. Using the seek /scan button, enter 0000.If it doesn't unlock, then some other 4 digit code was previously entered. Off to G.M. you must go.

YOU HAVE TO GO TO DEALERSHIP.THEY WILL HAVE TO GET YOU REPLACEMENT KEYS USING IGNITION LOCK NUMBER OR USING ORIGINAL PATTERN.WHEN YOU GET THE NEW KEY.JUST PUT NEW KEY IN THE IGNITION SWITCH.TURN IGNITION SWITCH TO THE ON POSITION FOR 10 MINUTES UNTIL THEFT SECURITY LIGHT TURN OFF OR DISAPPEAR.THEN TURN OFF IGNITION SWITCH WAIT 10 SECONDS TRY STARTING THE VECHICLE IF THEFT LIGHT STILL ON.YOU WILL NEED DEALERSHIP TO USE A DIAGNOSTIC EQUIPMENT TO CODE SCAN AND ERASE THEFT SECURITY CODE.

Check and enter the RADIO CODE for security lock; check the label in the back side radio.

Hope help with this.

how do i bypass the theftlock on my radio in my 2002 grand am

this is what it should be:
constant 12v -- orange
switched ign -- yellow

if its factor bad radio is fried same goes with after market radios the only solution with out spending money to find out is to find a good used factore or get new after market your choice

The fuse is inside the car, the corresponding fuse has broken. have it identified and thus changed. Well afterward.

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hi have a look here may help you

WikiAnswers - Unlock radio 2000 grand prix


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turn key to ON position wait 10 min untill security light stops flashing and dissapears then hit unlock 3 times then start

You need to recover the radio's serial number to decode the 4 digit radio key. The full process and decoder is available here: Porsche - Online Lost Radio Code Recovery Tool