Premium 2026 Navigation SD Card Update, Latest Map for 2019-2023 GM Vehicles with Chevrolet, GMC,Buick, Cadillac, USA/CAN/MEX, Part 8571 3512 (10 Year Warranty)

• 2026 UPDATE MAP DATA: Built with Newest navigation map data for compatible factory navigation systems. Due to SD card production time, actual map data may differ 6 to 12 months from the real-time road network.
• CONFIRM FITMENT FIRST: Designed for select GMC, Chevrolet, Cadillac, and Buick vehicles with factory navigation systems. Check your exact model, model year, and active Nav icon before ordering to help avoid compatibility issues.
• Compatible with Chevy series: Blazer (2019-2024), Camaro (2019-2024), Colorado (2019-2022), Corvette (2020-2023), Equinox (2019-2024), Malibu (2019-2024), Silverado 1500 / 2500HD / 3500HD (2019-2022), Traverse (2020-2024), Bolt (2021-2024), Suburban (2021-2024), Tahoe (2021-2024), Volt (2019).
• Compatible with GMC series: Acadia (2020-2023), Canyon (2019-2022), Sierra 1500 / 2500HD / 3500HD (2019-2022), Terrain (2019-2024), Yukon / Yukon XL (2021-2024).
• Compatible with Buick series: Enclave (2020-2024), Encore (2020-2023), Envision (2021-2023).
• Compatible with Cadillac series: CT4 (2020-2024), CT5 (2020-2024), CT6 (2019-2020), XT4 (2019-2023), XT5 (2020-2024), XT6 (2021-2024), Escalade (2021-2024)
• SIMPLE SETUP PROCESS: Turn the vehicle off for 10 to 20 minutes, eject the old map card, insert the new SD card into the center console slot, start the ignition, tap Navigation if needed, then confirm initialization and allow permissions.

• ONE CARD FOR ONE VEHICLE: Once initialized, the card links to the first vehicle VIN and cannot be reused in another vehicle. Use only with a compatible original factory navigation system, not with computers or third-party modified multimedia units.
• 32GB SDHC PERFORMANCE: Built as a full-size SDHC card with FAT32 file system, Class 10 speed rating, and UHS-I U1 interface. Supports up to 90 MB/s read speed and up to 40 MB/s write speed, with waterproof, shockproof, x-ray proof, temperature-proof, and magnet-proof protections.

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GM Navigation SD Card Installation Guide

1 Fitment First 2 VIN Binding 3 Setup Flow 4 SDHC Performance

Product Specification

Model Name	GM Navigation SD Card (2026 Version)
Model Number	EcoZen85713512
Flash Memory Type	SDHC
Storage Capacity	32 GB
Compatible Car Brand	Chevrolet, Cadillac, Buick, GMC (Pls see the product detail page for specific models)
Max Read Speed	Up to 90 MB/s

Max Write Speed	Up to 40 MB/s
UHS Speed Class	Class 10
Additional Features	Magnetic Proof, Temperature Proof, Vibration Proof, Write Protect Switch, X Ray Proof
Item Dimensions	1.26"L x 0.94"W
Item Weight	0.07 Ounces

• What map data version does this card use?

  It is built with 2026 update map data. Due to SD card production time, actual map data may differ 6 to 12 months from the real-time road network.

• Will this navigation SD card work with any GM vehicle?

  No. It is designed for the listed compatible GMC, Chevrolet, Cadillac, and Buick models with factory navigation systems. Confirm your exact model, year, and Nav icon before ordering.

• What should I do before installing the card?

  Turn the vehicle off for 10 to 20 minutes so the system powers down safely. Then remove the old card and insert the new SD card into the center console slot.

• What happens after I insert the new card?

  Start the ignition, tap the Navigation icon if needed, confirm initialization, and allow permissions when prompted. The VIN binding happens automatically during setup.

• What should I check if the navigation system does not recognize the card?

  Recheck the vehicle fitment, confirm the card is fully seated in the correct slot, power the vehicle down, and repeat the setup process. It is not for third-party or modified multimedia units.

Which GM Navigation Card is Yours? Same 2026 Maps, Find Your Part Number.

GM PART NUMBER 85856394 — current part number. Replaces both 85713512 and 86531530.	GM PART NUMBER 85713512 — the original GM navigation card part number for factory systems.	GM PART NUMBER 86531530 — updated replacement. Supersedes the original 85713512.
MAP COVERAGE 2026 North America maps. USA, Canada & Mexico. No subscription fee.	MAP COVERAGE 2026 North America maps. USA, Canada & Mexico. No subscription fee.	MAP COVERAGE 2026 North America maps. USA, Canada & Mexico. No subscription fee.
KEY FEATURES Plug & play. Offline navigation. Works with Chevy, GMC, Buick & Cadillac.	KEY FEATURES Plug & play. Offline navigation. Works with Chevy, GMC, Buick & Cadillac.	KEY FEATURES Plug & play. Offline navigation. Works with Chevy, GMC, Buick & Cadillac.