Chevrolet Spark Quiz
OnStar

Vehicle Diagnostics

In this manual: OnStar
Introduction — 1In Brief — 34Keys, Doors, and Windows — 27Seats and Restraints — 44Storage — 6Instruments and Controls — 42Lighting — 18Infotainment System — 38Climate Controls — 6Driving and Operating — 45Vehicle Care — 97Service and Maintenance — 9Technical Data — 5Customer Information — 25OnStar — 9
~1min read

OnStar Vehicle Diagnostics can perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and other major vehicle systems. It also checks the tire pressures, if the vehicle is equipped with the Tire Pressure Monitoring System. If an On-Demand Diagnostics check is needed, press , and an Advisor can run a check.

Test yourself

A quick Chevrolet Spark quiz: every answer comes with an explanation and a link to the manual page.