GMC Terrain: OnStar 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.

Press GMC Terrain. Emergency for a priority connection to an OnStar Advisor who can contact emergency service providers, direct them to your exact location, and relay important information.

With OnStar Crisis Assist, specially trained Advisors are available 24 hours a day, 7 days a week, to provide a central point of contact, assistance, and information during a crisis.

With Roadside Assistance, Advisors can locate a nearby service provider to help with a flat tire, a battery jump, or an empty gas tank.

    OnStar Services

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    Security

    If equipped, OnStar provides these services: With Stolen Vehicle Assistance, OnStar Advisors can use GPS to pinpoint the vehicle and help authorities quickly recover it...

    Other information:

    GMC Terrain 2018-2025 Owners Manual: Automatic Dimming Mirror and Reverse Tilt Mirrors


    Automatic Dimming Mirror The vehicle has an automatic dimming outside mirror on the driver side. The mirror will adjust for the glare of headlamps behind you. Reverse Tilt Mirrors If equipped with memory seats, the passenger and/or driver mirror tilts to a preselected position when the vehicle is in R (Reverse), if enabled...

    GMC Terrain 2018-2025 Owners Manual: Tire Chains


    Warning Do not use tire chains. There is not enough clearance. Tire chains used on a vehicle without the proper amount of clearance can cause damage to the brakes, suspension, or other vehicle parts. The area damaged by the tire chains could cause loss of control and a crash...

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