Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
1997 Buick Century CustomFACTORY OEM SERVICE PROCEDURE
Theft Deterrent Relearn
- Turn ignition off. Connect a battery charger to battery. Turn battery charger on a low charge rate.
- Turn ignition on. SECURITY warning indicator light should illuminate for about 10 minutes, then turn off. When indicator light turns off, turn ignition off for 5 seconds.
- Repeat previous step 2 more times, for a total of 3 10-minute ignition cycles. Vehicle should now start, and SECURITY warning indicator light should not illuminate. Turn ignition off. Disconnect battery charger.
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.
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 QuoteNo obligation. See pricing before you book.