Chevrolet Silverado: OnStar / OnStar Services

OnStar Overview

Voice Command Button Blue OnStar Button Red Emergency Button This vehicle may be equipped with a comprehensive, in-vehicle system that can connect to an OnStar Advisor for Emergency, Security, Navigation, Connections, and Diagnostics Services...

Emergency

Emergency Services require an active safety and security plan. With Automatic Crash Response, built-in sensors can automatically alert a specially trained OnStar Advisor who is immediately connected in to the vehicle to help...

Other information:

Chevrolet Silverado 2019-2025 Owners Manual: Vehicle Symbol Chart

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Chevrolet Silverado 2019-2025 Owners Manual: Engine Oil

For diesel engine vehicles, see “Engine Oil” in the Duramax diesel supplement. To ensure proper engine performance and long life, careful attention must be paid to engine oil. Following these simple, but important steps will help protect your investment: Use engine oil approved to the proper specification and of the proper viscosity grade...