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 2019-2026 Owners Manual: OnStar Additional Information

In-Vehicle Audio Messages Audio messages may play important information at the following times: Prior to vehicle purchase. Press to set up an account. After change in ownership and at 90 days. Transferring Service Press to request account transfer eligibility information...

Chevrolet Silverado 2019-2026 Owners Manual: Tire Sidewall Labeling

Useful information about a tire is molded into the sidewall. The examples show a typical passenger and light truck tire sidewall. Passenger (P-Metric)/Spare Tire (1) Tire Size : The tire size code is a combination of letters and numbers used to define a particular tire's width, height, aspect ratio, construction type, and service description...