5-14 Instruments and Controls
The FUEL LEVEL LOW message
appears in the Driver Information
Center (DIC) and a single chime
sounds. See Fuel System
Messages on page 5‑36 for more
information.
Normal operation of the fuel gauge
includes:
.
At the service station, the fuel
pump shuts off before the gauge
reads full.
.
It takes a little more or less fuel
to fill up than the gauge
indicated.
.
The gauge moves a little while
turning a corner or speeding up.
.
The gauge takes a few seconds
to stabilize after the ignition is
turned on, and goes back to
empty when the ignition is
turned off.
Boost Gauge
Metric
English
For the CTS-V, this gauge is located
in the instrument panel cluster.
This gauge indicates positive
manifold pressure, which is the
induction air pressure level in the
intake manifold before it enters the
combustion chamber. This gauge
reads zero under light throttle before
boost is generated.
The gauge automatically resets to
zero every time the engine is
started.
Engine Speed Limiter
This feature prevents the engine
speed from reaching an unsafe
level. If the level is too high, the
throttle closes or limits the fuel
supply until the engine speed
returns to a safe level. Throttle
operation and fuel supply return to
normal when engine speed is
lowered.
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