Verify Minutes and Expiration :: Connections :: OnStar Services :: OnStar :: GMC Sierra Owners Manuals :: GMC Sierra | GMCia.com

Verify Minutes and Expiration

GMC Sierra / GMC Sierra Owners Manuals / OnStar / OnStar Services / Connections / Verify Minutes and Expiration

Push OnStar Mobile App and say “minutes” then “verify” to check how many minutes remain and their expiration date.

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Special Application Services
• Severe Commercial Use Vehicles Only: Lubricate chassis components every 5 000 km/3,000 mi. • Have underbody flushing service performed once a year. ...

Engine Cooling System Messages
ENGINE HOT A/C (Air Conditioning) OFF This message displays when the engine coolant becomes hotter than the normal operating temperature. See Engine Coolant Temperature Gauge on page 5‑14. To ...

Floor Mats
WARNING If a floor mat is the wrong size or is not properly installed, it can interfere with the pedals. Interference with the pedals can cause unintended acceleration and/or increased stopping d ...