know when you're good to go
On the road, it feels great to know your vehicle is running as it should. OnStar Vehicle Diagnostics sends you monthly email reports showing what's going on with your vehicle—in simple language and images. It's all part of your OnStar service, no additional cost.
How amazing is a car that can send you emails?see for yourself
Vehicle Diagnostics Email
vehicle diagnostics made easy
Easy to read. Easy to use.
Every month, we automatically run hundreds of diagnostic and maintenance checks on your vehicle's key operating systems, including:
Click the items below for more information
- Engine and Transmission System
- StabiliTrak® Stability Control System
- Air Bag System
- Emissions System
- Antilock Brake System
- OnStar System
- Maintenance Information
- Recommended Maintenance
- Tire Pressure
Access this feature from your mobile device.See how
This system is responsible for making the power necessary to move the vehicle and sending that power to the wheels.
StabiliTrak® is an advanced computer controlled system that can help the driver maintain directional control of the vehicle in difficult driving conditions.
This system is responsible for monitoring and deployment of the air bag system.
This system is responsible for limiting the emissions from the vehicle, both by keeping fuel and its vapor contained in the fuel system, as well as by limiting exhaust tail pipe emissions by ensuring efficient engine operation.
This system is responsible for monitoring and controlling the antilock brakes, which can reduce stopping distance in slick conditions, and the traction control/stability system, which helps the vehicle maintain control in adverse conditions.
This system is responsible for the operation of your OnStar system.
This includes any routine maintenance determined by several factors such as mileage and oil life.
It's important to keep your vehicle's tires at their recommended PSIs. Properly inflated tires can actually improve fuel economy, vehicle performance and tire life.
what's that noise? why is that light on?
answers are a button push away.
Run a diagnostics check from the road. Just push your blue button and an Advisor will complete a real-time check—and let you know what to do. It's all part of your subscription.
want the latest on your vehicle's health?
get it monthly from OnStar.
Have questions? Get support .