pay a mechanic to do it
Bring it to a GM dealer and they will unlock the radio with a special scaner type thing.
how unlock radio on trailblazer 2003
Yes you can install this CD changer into a 2003 Silverado. It shouldn't be too hard to remove the standard radio and replace it with this.
where is the fuse for heated driver seat on 2003 Chevy Silverado>
By taking your car to a GM Dealership. They have the special equipment to do it.
a 2003 Chevy silverado taillight bulb uses a 3157
how do you change the knock sensor in a 2003 Chevy silverado 5.3
You can't After 2003 and up vehicles require back to dealer to unlock theft system. There is a number to call for radios prior to 2003 and you can unlock those.
Will a 2000 chevy 2500 bumper fit a 2005 chevy 2500