CHEVROLET 1999 Corvette - Manual (Page 206)

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When this light and the SERVICE TRACTION
SYSTEM message are on, the system will not limit
wheel spin. Adjust your driving accordingly.
The TCS system automatically comes on whenever you
start your vehicle. To limit wheel spin, especially in
slippery road conditions, you should always leave the
system on. But you can turn the TCS system off if you
ever need to.
To turn the system off, press
the button located on the
console. You can turn the
system ON or OFF at any
time by pressing the TCS
switch. The DIC will
display the appropriate
message when you push
the button.
Active Handling System (Option)
The optional Active Handling System is a computer
controlled system that helps the driver maintain
directional control of the vehicle in difficult driving
conditions. This is accomplished by selectively applying
any one of the vehicle’s brakes.
When you first start your vehicle and begin to drive
away (6 mph (10 km/h)), the message ACT HNDLG
WARMING UP may be displayed in the DIC, the
instrument cluster light will be on, and a chime will
sound. This is normal. You can acknowledge this
message by pressing the RESET button. The Active
Handling System performance is affected until the
message, WARM UP COMPLETE, is displayed in
the DIC.
The ACTIVE HANDLING message will come on when
the system is operating. See “Driver Information Center
Messages” in the Index for more information. You may
also feel or hear the system working. This is normal.