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Chevrolet VOLT Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
9807421) - 2017 - CRC - 11/18/15
Driving and Operating 231
vehicle may not pass a smog-check
test. SeeMalfunction Indicator
Lamp (Check Engine Light) 0109.
If this occurs, return to your
authorized dealer for diagnosis. If it
is determined that the condition is
caused by the type of fuel used,
repairs may not be covered by the
vehicle warranty.
Fuels in Foreign
Countries
The U.S., Canada, and Mexico post
fuel octane ratings in anti-knock
index (AKI). For fuel not to use in a
foreign country, see “Prohibited
Fuels” inFuel 0230.
Fuel Additives
To keep fuel systems clean, TOP
TIER Detergent Gasoline is
recommended. See Fuel0230.
If TOP TIER Detergent Gasoline is
not available, one bottle of GM Fuel
System Treatment Cleaner added to
the fuel tank at every engine oil
change, can help. GM Fuel System
Treatment Cleaner is the only gasoline additive recommended by
General Motors. It is available at
your dealer.
Filling the Tank
{Warning
Fuel vapors and fuel fires burn
violently and can cause injury or
death.
. To help avoid injuries to you
and others, read and follow
all the instructions on the
fuel pump island.
. Turn off the engine when
refueling.
. Keep sparks, flames, and
smoking materials away
from fuel.
. Do not leave the fuel pump
unattended.
. Do not use a cell phone
while refueling.
. Do not re-enter the vehicle
while pumping fuel.
(Continued)
Warning (Continued)
.Keep children away from
the fuel pump and never let
children pump fuel.
. Fuel can spray out if the fuel
cap is opened too quickly.
This spray can happen if the
tank is nearly full, and is
more likely in hot weather.
Open the fuel cap slowly
and wait for any hiss noise
to stop, then unscrew the
cap all the way.
The fuel system on this vehicle
requires a refueling process to
control evaporative emissions. To
refuel the vehicle:
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Chevrolet VOLT Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
9807421) - 2017 - CRC - 11/18/15
Vehicle Care 257
Vehicle Storage
{Warning
Batteries have acid that can burn
you and gas that can explode.
You can be badly hurt if you are
not careful. SeeJump Starting -
North America 0305 for tips on
working around a battery without
getting hurt.
Up to four weeks
. Plug in the high voltage battery
charge cord if temperatures will
exceed 35 °C (95 °F) and keep
the 12-volt battery cables
connected.
Four weeks to 12 months
. Discharge the high voltage
battery until two or three bars
remain on the battery range
indicator (Battery symbol) on the
instrument cluster.
. Do not plug in the high voltage
battery charge cord. .
Remove the black negative (−)
cable from the 12-volt battery.
Attach a trickle charger to the
battery terminals or keep the
12-volt battery cables connected
and trickle charge from the
underhood remote positive (+)
and negative (−) terminals. See
Jump Starting - North America
0305 for the location of these
terminals.
Caution
The vehicle is equipped with an
AGM/VRLA 12-volt battery, which
can be damaged by using the
incorrect type of trickle charger.
An AGM/VRLA-compatible
charger must be used, with the
appropriate setting selected.
Follow the trickle charger
manufacturer instructions.
Reconnecting the 12-Volt Black
Negative Cable
With the 12-volt black negative (−)
cable disconnected, the hatch
cannot be opened by pressing the hatch release button. If the hatch is
closed and latched after power has
been disconnected:
1. Use the door key to open the driver door.
2. Manually unlock and open one of the rear doors.
3. Lower one of the rear seatbacks.
4. Pull the load floor cover forward to access and
reconnect the 12-volt battery
black negative (−) cable.
5. After the cable has been connected, open the rear hatch
and then tighten the cable.
After the battery cable is
reconnected, it is possible that the
vehicle may not operate in Electric
Mode. If this happens, the high
voltage battery may need to be
charged.
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Chevrolet VOLT Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
9807421) - 2017 - CRC - 11/18/15
260 Vehicle Care
Bulb Replacement
For the proper type of replacement
bulbs, seeReplacement
Bulbs 0262.
For any bulb-changing procedure
not listed in this section, contact
your dealer.
Halogen Bulbs
{Warning
Halogen bulbs have pressurized
gas inside and can burst if you
drop or scratch the bulb. You or
others could be injured. Be sure
to read and follow the instructions
on the bulb package.
LED Lighting
This vehicle has several LED lamps.
For replacement of any LED lighting
assembly, contact your dealer.
Headlamps
High-Beam Headlamps and Turn Signal Lamps
1. High-Beam Headlamp
2. Turn Signal Lamp
To replace a high-beam headlamp
or turn signal lamp:
1. Open the hood. See Hood 0240.
2. For the passenger side bulb, remove the windshield washer
bottle filler neck by firmly
pulling it straight up and out of
the bottle. 3. Remove the cover from the
back of the headlamp
assembly by turning it
counterclockwise.
4. Remove the bulb socket from the headlamp assembly by
turning it counterclockwise.
5. Remove the bulb from the socket.
6. Install the new bulb in the socket.
7. Install the bulb socket by turning it clockwise.
8. Install the cover in the back of the headlamp assembly by
turning it clockwise.
9. For the passenger side, reinstall the windshield washer
bottle filler neck by firmly
pushing it straight into the
bottle.