See also:

Updating Station & Category Lists
If stations stored in the station list can no longer be received: 1. Turn the TUNE/MENU knob. 2. Select Update AM or FM Station List, if the stations stored in the station list are no longer recei ...

OnStar Overview
If equipped, this vehicle has a comprehensive, in-vehicle system that can connect to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic Services. The OnStar system s ...

Footnotes — Maintenance Schedule Additional Required Services — Severe
a) Check all fuel and vapor lines and hoses for proper hook-up, routing, and condition. Check that the purge valve, if the vehicle has one, works properly. Replace as needed. b) Or every four yea ...