Convenience Package

Years 2019–20, 2022–27 Models 3 Factory citations 14

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Also described as Enhanced Convenience Package

Also documented for Chevrolet

Documented applications

Savana — GMT610 (2003–2027)

2025–2027 Factory-verified

only in: Cargo, Passenger; the guides say it includes Remote Keyless Entry (ATG), the remote vehicle starter system (BTV), the 6.6L V8 (L8T), 12 months of OnStar Vehicle Insights (P0V), heavy-duty trailering equipment (Z82) and the Driver Convenience Package (ZQ3); O: Cargo TG23405, Cargo TG23705, Passenger TG23406; not offered: Cargo TG33405, Cargo TG33705, Passenger 1LT, Passenger TG33406, Passenger TG33706

GM factory document — 2025 gmc savana cargo fleet order guide, p.18.
GM factory document — 2025 gmc savana passenger fleet order guide, p.14.
GM factory document — 2026 gmc savana cargo fleet order guide, p.19.
GM factory document — 2026 gmc savana passenger fleet order guide, p.15.
GM factory document — 2027 gmc savana cargo fleet order guide, p.17.
GM factory document — 2027 gmc savana passenger fleet order guide, p.14.

Sierra 1500 — Next-Generation (2027)

2027 Factory-verified

Pro: O; AT4, Elevation, AT4X, Denali, Denali Ultimate: not offered; includes AKO BTV C49 KC9 PZ8 KI4 QT5 UTJ

GM factory document — 2027 gmc next generation sierra 1500 retail and fleet fleet order guide, p.26.
GM factory document — 2027 gmc next generation sierra 1500 retail and fleet fleet order guide rpo codes, p.1.

Sierra — T1XX (2019–2026)

2019–2020, 2022–2025 Factory-verified

the upfitter lists read "Sales package, convenience"

GM factory document — 2019 gmc 19 sierra 1500 body builder feb 20, p.15.
GM factory document — 2020 gmc 20 sierra 1500 electrical body buil 1, p.16.
GM factory document — 2022 gmc 22 sierra 1500 new electrical body builder sm en us 2022jul20, p.16.
GM factory document — 2023 gmc 23 sierra 1500 electrical body builder sm en us 2022oct12, p.16.
GM factory document — 2024 gmc 24 sierra 1500 sm electrical body builder esid 23dec12, p.19.
GM factory document — 2025 gmc my25 sierra 1500 electrical bbm, p.17.

This page aggregates every documented appearance of ZL3 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.