Buick Century Key Replacement | S.A. Locksmith San Antonio

Buick Century Locksmith San Antonio

S.A. Locksmith & Security provides professional Buick Century key and key fob replacement in San Antonio, Texas and surrounding areas including Alamo Heights, Stone Oak, The Dominion, Helotes, Converse, Schertz, Cibolo, New Braunfels, and Boerne. As a licensed and insured mobile locksmith, we come directly to your location — home, work, or roadside — for fast, same-day service. Our technicians use GM Tech2 and SPS diagnostic programming tools to cut and program your Buick Century key at a fraction of dealership pricing. Available 24/7 for emergencies. Call (210) 348-3677 for a free quote.

Licensed (LIC# B18010), insured, and BBB A+ rated, S.A. Locksmith & Security has been serving San Antonio since 2009. We back all work with a 90-day warranty on parts and labor plus manufacturer warranty on all hardware. Our no-damage guarantee means your vehicle is always safe in our hands. With response times under 20 minutes throughout San Antonio, we’re your fastest alternative to the dealership — at a fraction of the cost.

Buick Century Key & Key Fob Replacement San Antonio

S.A. Locksmith & Security provides professional Buick Century key and key fob replacement and programming services in San Antonio, Texas. Our certified automotive locksmiths specialize in GM Passlock I (1996-1999) / Passlock II (2000-2005) / No Immobilizer (1991-1995) systems, offering complete key cutting, transponder programming, and smart key fob replacement for all Century model years (1991-2005). We serve San Antonio, New Braunfels, Schertz, Cibolo, and surrounding areas.

Buick Century Technical Specifications & Key Information

Year Range: 1991-2005
Engine: 2.5L I4 (LN2) / 3.1L V6 (L82/LH0) / 3.3L V6 (LG7) / 3.8L V6 (L36)
Fuel Type: Petrol
ECU / Computer: Delco Multec PCM (LN2/L82) / AC Delco PCM (L36/LG7)
Immobilizer System: Passlock I (1996-1999) / Passlock II (2000-2005) / No Immobilizer (1991-1995)
Key Type: Standard Metal Key / Standard Key with Passlock (1996+)
Key Blank / ILCO: B44 / B45 / B85 — ILCO: P1098E/B44 [-P,-PC] / S1098H/B45 [-P,-PC] / S1105/B85
Transponder Chip: None (Passlock sensor in cylinder)
Start Method: Traditional Key

Buick Century Key & Fob Services

Buick Century ECU & Module Services

The Buick Century uses the Delco Multec PCM (LN2/L82) / AC Delco PCM (L36/LG7) engine control unit. S.A. Locksmith & Security offers comprehensive ECU and module services for the Century.

Why Choose S.A. Locksmith for Your Buick Century?

S.A. Locksmith & Security has served San Antonio for over 15 years. Our GM-certified technicians handle every Buick Century security system — from VATS resistor keys to modern proximity smart key technology. We carry a complete inventory of GM key blanks and transponder chips for same-day service.

We come to you with fully-equipped mobile units. Our competitive pricing and GM expertise make us the preferred choice for Buick key replacement in San Antonio.

Our No-Damage Guarantee: Unlike towing your vehicle to a dealership, our mobile locksmiths use professional-grade, non-destructive tools and techniques to service your vehicle on-site. We guarantee no damage to your vehicle during any lockout, key replacement, or programming service. With response times under 20 minutes throughout the San Antonio area and 24/7 emergency availability, we get you back on the road fast — backed by our 90-day warranty on parts and labor.

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Buick Century Key & Key Fob Replacement FAQ

How much does a Buick Century key replacement cost?

Buick Century key replacement costs vary by key type and year. Standard transponder keys range $120-$180, smart key fobs $200-$350, VATS keys $80-$120. Call (210) 348-3677 for an exact quote.

Can you make a key for my Buick Century if all keys are lost?

Yes! We specialize in all-keys-lost for Buick Century. We program new keys from scratch for VATS, Passlock, Passkey III, PK3+, and GM proximity systems — no dealer visit needed.

How long does Buick Century key replacement take?

Most Buick Century key replacements take 30-60 minutes. We offer same-day mobile service throughout San Antonio.

Do I need to go to the Buick dealer for a key?

No! S.A. Locksmith & Security handles all Buick Century key services at 30-50% less than dealer pricing with faster turnaround and mobile convenience.

What security system does my Buick Century use?

Buick Century models use GM anti-theft systems: VATS (resistor pellet), Passlock I/II (sensor-based), Passkey III/PK3+ (transponder Philips 46/Megamos 48), and GM Proximity (Hitag 2/3 smart key). Our techs identify your exact system.

Request a Locksmith

S.A. Locksmith & Security is a full-service, 24/7 locksmith located in San Antonio serving the greater SA area. No project is too big or too small.

📞 (210) 348-3677

We Accept All Major Credit Cards

Note: Pricing and availability may vary. Smart key programming requires professional equipment. Some services may require vehicle VIN verification. All work is backed by our 90-day warranty on parts and labor and manufacturer warranty on hardware. S.A. Locksmith & Security — Licensed (LIC# B18010), Insured, BBB Accredited (A+ Rating). 11401 West Ave, San Antonio, TX 78213. All brand names, logos, and trademarks are the property of their respective owners. S.A. Locksmith & Security is an independent locksmith service provider and is not affiliated with any automobile manufacturer or dealership. 10% Military & Veteran Discount — show valid military ID at time of service.

Need Buick Century Key & Key Fob Replacement in San Antonio?

Contact S.A. Locksmith & Security today for professional Buick key replacement. We serve San Antonio and surrounding areas with 24/7 emergency service.