Chevrolet 2012 Volt Owner's Manual page 275

When the vehicle is started and
begins to move, the system
performs several diagnostic checks
to ensure there are no problems.
The system may be heard or felt
while it is working. This is normal
and does not mean there is a
problem with the vehicle. The
system should initialize before the
vehicle reaches 32 km/h (20 mph).
In some cases, it may take
approximately 3.2 km (2 mi) of
driving before the system initializes.
The TCS may activate on dry or
rough roads or under conditions
such as heavy acceleration while
turning or abrupt changes in output
from the electric drive unit. When
this happens, a reduction in
acceleration may be noticed, or a
noise or vibration may be heard.
This is normal.
flashes to indicate that TCS is
active. See Traction Control System
®
(TCS)/StabiliTrak Light on
page 5 25 for more information.
If there is a problem detected with
TCS, SERVICE TRACTION
CONTROL is displayed on the
Driver Information Center (DIC).
See Ride Control System Messages
on page 5 53. When this message
is displayed and comes on and
stays on, the vehicle is safe to drive
but the system is not operational.
Driving should be adjusted
accordingly.
If comes on and stays on, reset
the system:
1. Stop the vehicle.
2. Turn the engine off and wait
15 seconds.
3. Start the engine.
If still comes on and stays on, the
vehicle needs service.
Driving and Operating
Notice: Do not repeatedly brake
or accelerate heavily when TCS is
off. The vehicle's driveline could
be damaged.
TCS can be turned off by pressing
and releasing the TCS/ESC button
located on the overhead console.
When TCS is turned off,
on, and the appropriate DIC
message also displays. See Ride
Control System Messages on
page 5 53. With TCS turned off, the
system does not limit wheel spin.
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