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Buick Rainier Key Service

Buick Rainier Key Replacement & Programming in Jacksonville

Spare keys from $355. All-keys-lost from $610. Mobile, on-site, same-day service across the First Coast.

Spare or Additional Rainier Key

Dealer Price

$570 – $865

Our Price

from$355

When you still have a working key.

Lost All Rainier Keys?

Dealer Price

$975 – $1,470

Our Price

from$610

When every key is lost or stolen.

Final price depends on your specific Rainier year and trim — call us for an exact quote.

Key Specifications — Buick Rainier

ParameterValue
Transponder ChipHitag2 / Megamos AES
FCC IDHYQ4EA
Key BladeHU100
Frequency315 MHz
ImmobilizerGM PK3+
Proximity / Smart KeyYes (2017+)

About Your 2026 Buick Rainier

Buick is a USA brand owned by General Motors. Their key system uses GM Passlock / PK3 / PK3+ with Transponder, Smart Key. Buick uses GM's mainstream immobilizer technology. Most modern Buick models support aftermarket key programming through OBDII.

The 2026 Buick Rainier is a sedan. Most Rainier keys of this generation use the Hitag2 / Megamos AES transponder chip, remotes under FCC ID HYQ4EA, the HU100 key blade — exactly the hardware we cut and program on-site. For this sedan we handle spare keys, all-keys-lost recoveries, and remote replacement curbside — at your home, office, or roadside in Jacksonville.

Your 2026 Buick Rainier is a modern-era vehicle and uses the latest revision of Buick's key security platform. Programming requires advanced equipment but is fully aftermarket-supported on-site — no dealer trip needed in most cases.

Immobilizer (GM PK3+): GM's PK3+ has been refined since 2007 and is one of the easier mainstream platforms to program. Aftermarket coverage spans every Chevy, GMC, Buick, and Cadillac of the era.

In Jacksonville

Every Buick Rainier job we book in Jacksonville comes with the price quoted on the phone — no bait-and-switch and no after-hours surcharge unless explicitly disclosed before dispatch.

Ready to book your Buick Rainier key?