Staff Answer
Aug 19, 2026 - 09:34 AM
Shift prevention and seatbelt compliance enforcement on the 2023 Chevrolet Blazer are regulated by driver seatbelt buckle switches, transmission shift lock solenoids, and body control modules.
How to Fix It:
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Buckle Your Seatbelt: Fasten your driver-side seatbelt before attempting to shift the vehicle out of Park to ensure normal operation.
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Understand Shift Restriction: Note that if the system is active and you try to shift into gear without buckling, the transmission will temporarily remain locked in Park.
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Check Cluster Message: Look at the driver information center if shift prevention engages to read prompts reminding you to fasten your seatbelt.
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