2002 Pontiac Firebird Formula, StandardFACTORY OEM SERVICE PROCEDURE

Radio Anti-Theft Feature (THEFTLOCK(R)) Unlocking

CAUTION: Allowing more than 15 seconds to elapse between each action in this procedure, will cause radio to automatically revert to time function.
  1. Turn ignition switch to RUN position. Radio will display LOC.
  2. Press MN. Radio will display "000".
  3. Press MN again until last 2 digits agree with secret code.
  4. Press HR until first 2 digits agree with secret code.
  5. Press AM-FM after secret code has been confirmed. Radio will display "SEC", indicating radio is operable and secure. If wrong code has been entered 8 times, radio will display "INOP". Turn ignition switch to RUN position for one hour. There are only 3 attempts of entering correct secret code before "INOP" is displayed again.
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

Shop Manual-Ready ToolsCompare Repair QuoteQuote Shield Pro

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

Rather have a pro handle this?

A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.

Comes to youSame-day available12-month warranty
Get a Free Quote

No obligation. See pricing before you book.