Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will
check the engine, transmission, antilock brakes, and major vehicle systems. It also
checks the tire pressures, if the vehicle is equipped with the Tire Pressure Monitoring
System. If a diagnostics check is needed between e-mails, push
, and an Advisor can run a check.
See also:
Climate Control Systems
The vehicle's heating, cooling, defrosting, and ventilation can be controlled
with this system.
A. Fan Control
B. Air Delivery Mode Controls
C. Temperature Control
D. Outside Air
E. Front ...
Object Detection System Messages
FORWARD COLLISION ALERT OFF
If your vehicle has the Forward Collision Alert (FCA) system, this message may
display if the FCA system cannot activate due to a temporary condition. See Forward
Coll ...
Checking Brake Fluid
Check brake fluid by looking at the brake fluid reservoir. See Engine Compartment Overview on page 10‑6.
The fluid level should be above MIN. If it is not, have the brake hydraulic system che ...





