Chevrolet Impala Bi-Fuel (Gasoline/CNG) Supplement (GMNA-Localizing-U.
S/Canada-9087624) - 2016 - CRC - 8/17/15
8 Driving and Operating
Cold Weather Starting
If the outside temperature is below
2 °C (35 °F), the engine may start on
gasoline when CNG is selected.
After starting on gasoline, the
vehicle will automatically transition
to CNG operation after a set amount
of warm-up time.
Using the engine heater,
if equipped, may make it easier to
start. See“Engine Heater” in the
owner manual.
. Turn off all electrical
accessories.
. Do not hold the ignition switch in
START for more than
15 seconds.
Caution
If you add electrical parts or
accessories, you could change
the way the engine operates. Any
resulting damage would not be
covered by the vehicle warranty.
See “Add-On Electrical
Equipment” in the owner manual.
Ride Control Systems
Traction Control/
Electronic Stability
Control
This vehicle has Traction Control
System (TCS) and StabiliTrak®
electronic stability control systems.
These systems are enabled
automatically and StabiliTrak cannot
be turned off. To turn off TCS, see
“Traction Control/Electronic Stability
Control”in the owner manual.
Fuel
If a fuel leak is suspected, see Fuel
System Leak 014.
. If the vehicle runs out of CNG or
gasoline, it will automatically
switch to the other fuel system,
if there is fuel.
. If it takes unusually long to fill
the CNG cylinder, the fuel fill
receptacle may be clogged.
Contact your dealer for
inspection and/or replacement.
See “Fuel Filling Problems” in
Filling the Tank (CNG) 09.
This vehicle is designed to operate
on gasoline or CNG and has a
gasoline tank and a CNG fuel
storage system. See “Fuel”in the
owner manual for gasoline
information.
The general marketplace fuel quality
of CNG (for motor vehicles) in the
state of California should be in
compliance with Title 13 California
Code of Regulations, Section
2292.5. The remaining regions of
North America do not employ
regulated CNG fuel quality
