Owner's manual. Check out the following website to unlock your radio. http://www.oqcgp.com/forum/kb.php?mode=article&k=53 Hope this helps. "G"
Insert the correct code in the radio by way of the preset buttons.
what did you need to know about them?how to unlock them
with the motor running and radio off press buttons 1 and 4 on the radio this should unlock the radio
I meant to ask was the radio unlock code, after battery change
It will delete the pre-programmed radio stations.
Radio presets.
replace the radio fuse with the motor running, it'll reset the unit.
By changing the battery, you erased your car's computer presets. Your car probably has an anti-theft radio, that locks when power is lost to it, and requires a factory security code to unlock it. The code might be in a section of the owner's manual, but if you cannot find it, you have to go to a new car dealership and have them reset the radio.
I guess take radio out and buy a better and cheaper radio
I had to go to a dealership to get the radio unlocked, also the cause; ( radio locked) was Battery Failure. After I puchased a new battery I found the radio use to be locked.
It is a complicated process to reset the radio in your Hyundai Sonata after changing the car battery. First you must have the access key. Enter the access key at the prompt and follow the instructions that will be shown on your radio screen.
The factory code for your 1997 Pontiac Grand Prix is 152 159. The unlock code for the radio is 0229.