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 InformationStrut, Strut Component, or Spring Replacement
Special Tools
CH-6068 Spring Tensioner Device
CH-6066 Holding Device
For equivalent regional tools, refer to Special Tools.
Disassembly Procedure
Remove the strut assembly. Refer to Strut Assembly
Replacement.
Install the strut to the CH-6066 holder (5).
Tens ...
Transmission
Driver Shift Control (DSC) allows the automatic transmission to be shifted similar
to a manual transmission.
Electronic Range Select (ERS) allows for the selection of a range of gears.
Up-Shift Light
If the vehicle has a manual transmission, it will have an up-shift light that
indicates whe ...
Traction Control System (TCS)
The vehicle has a Traction Control System (TCS) that limits wheel spin.
On a front-wheel-drive vehicle, the system operates if it senses that one or
both of the front wheels are spinning or beginning to lose traction. When this happens,
the system brakes the spinning wheel(s), and/or reduces en ...