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, press
, and an Advisor can run a check.
Connections
OnStar Additional InformationAll-Season Tires
This vehicle may come with all-season tires. These tires are designed to provide
good overall performance on most road surfaces and weather conditions. Original
equipment tires designed to GM's specific tire performance criteria have a TPC specification
code molded onto the sidewall. Origi ...
Exterior Windnoise
Warning: Refer to Assistant Driving Warning in the Preface section.
Exterior windnoise is louder when the vehicle is driven with one or more
windows down. Exterior windnoise occurs when air passes over
the body panels, the seams, or the openings. Use the following items during the
test drive i ...
Overlap/Backing Plate Sectioning (Welding)
Warning: Refer to Approved Equipment for Collision Repair Warning in
the Preface section.
Fit the service panel to the vehicle to ensure a proper fit.
Measure and mark a line at the sail panel 120 mm (4 3/4 in) from the
back glass opening and 70 mm (2 3/4 in) rearward from the ...