
Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-9921197) -
2017 - crc - 3/30/16
264 Vehicle Care
How to Add Coolant to the
Coolant Surge TankCaution
This vehicle has a specific
coolant fill procedure. Failure to
follow this procedure could cause
the engine to overheat and be
severely damaged.
If no problem is found, check to see
if coolant is visible in the coolant
surge tank. If coolant is visible but
the coolant level is not at the
indicated level mark, add a 50/
50 mixture of clean, drinkable water
and DEX-COOL coolant at the
coolant surge tank, but be sure the
cooling system, including the
coolant surge tank pressure cap, is
cool before you do it.
{Warning
Steam and scalding liquids from a
hot cooling system can blow out
and burn you badly. Never turn (Continued)
Warning (Continued)
the cap when the cooling system,
including the surge tank pressure
cap, is hot. Wait for the cooling
system and surge tank pressure
cap to cool.
Caution
In cold weather, water can freeze
and crack the engine, radiator,
heater core, and other parts. Use
the recommended coolant and
the proper coolant mixture.
{Warning
You can be burned if you spill
coolant on hot engine parts.
Coolant contains ethylene glycol
and it will burn if the engine parts
are hot enough. Do not spill
coolant on a hot engine.
1. Remove the coolant surge tankpressure cap when the cooling
system, including the coolant
surge tank pressure cap and
upper radiator hose, is no
longer hot.
Turn the pressure cap slowly
counterclockwise about
one-quarter of a turn. If you
hear a hiss, wait for that to
stop. This will allow any
pressure still left to be vented
out the discharge hose.
2. Keep turning the pressure cap slowly and remove it.

Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-9921197) -
2017 - crc - 3/30/16
266 Vehicle Care
If No Steam Is Coming from
the Engine Compartment
If an engine overheat warning is
displayed but no steam can be seen
or heard, the problem might not be
too serious. Sometimes the engine
can get a little too hot when the
vehicle:
.Climbs a long hill on a hot day.
. Stops after high-speed driving.
. Idles for long periods in traffic.
. Tows a trailer.
If the overheat warning displays with
no sign of steam: 1. Turn the air conditioning off.
2. Turn the heater on to the highest temperature and to the
highest fan speed. Open the
windows as necessary.
3. When it is safe to do so, pull off the road, shift to P (Park) or
N (Neutral), and let the
engine idle.
If the coolant temperature gauge is
no longer in the overheat zone, the
vehicle can be driven. Continue to drive the vehicle slowly for about
10 minutes. Keep a safe vehicle
distance from the vehicle in front.
If the warning does not come back
on, continue to drive normally and
have the cooling system checked
for proper fill and function.
If the warning continues, pull over,
stop, and park the vehicle
right away.
If there is no sign of steam, idle the
engine for three minutes while
parked. If the warning is still
displayed, turn off the engine until it
cools down. Also, see
Overheated
Engine Protection Operating
Mode 0266.
Overheated Engine
Protection
Operating Mode
This emergency operating mode
allows the vehicle to be driven to a
safe place in an emergency
situation. If an overheated engine
condition exists, an overheat
protection mode which alternates
firing groups of cylinders helps prevent engine damage. In this
mode, there is significant loss in
power and engine performance.
The engine coolant temperature
gauge indicates if an overheat
condition exists. Driving extended
distances and/or towing a trailer in
the overheat protection mode
should be avoided.
Washer Fluid
What to Use
When windshield washer fluid is
needed, be sure to read the
manufacturer's instructions before
use. If operating the vehicle in an
area where the temperature may fall
below freezing, use a fluid that has
sufficient protection against
freezing.
Adding Washer Fluid

Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-9921197) -
2017 - crc - 3/30/16
Index 369
Door (cont'd)Delayed Locking . . . . . . . . . . . . . . . . 40
Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Power Locks . . . . . . . . . . . . . . . . . . . . 40
Drive Belt Routing, Engine . . . . . . 341
Driver Assistance Systems . . . . . 228
Driver Information Center (DIC) . . . . . . . . . . . . . . . . . . 128
Driving
Assistance Systems . . . . . . . . . . 231
Characteristics andTowing Tips . . . . . . . . . . . . . . . . . 243
Defensive . . . . . . . . . . . . . . . . . . . . . 193
Drunk . . . . . . . . . . . . . . . . . . . . . . . . . 193
For Better Fuel Economy . . . . . . . 27
Hill and Mountain Roads . . . . . . 196
If the Vehicle is Stuck . . . . . . . . . 198
Loss of Control . . . . . . . . . . . . . . . 195
Off-Road Recovery . . . . . . . . . . . 194
Track Events and Competitive . . . . . . . . . . . . . . . . . 195
Vehicle Load Limits . . . . . . . . . . . 199
Wet Roads . . . . . . . . . . . . . . . . . . . 196
Winter . . . . . . . . . . . . . . . . . . . . . . . . 197
Dual Automatic Climate Control System . . . . . . . . . . . . . . . . 185E
E85 or FlexFuel . . . . . . . . . . . . . . . . 240
Electric Parking Brake . . . . . . . . . . 215
Electric Parking Brake Light . . . . 123
Electrical Equipment,Add-On . . . . . . . . . . . . . . . . . . . . . . . 247
Electrical System Engine Compartment FuseBlock . . . . . . . . . . . . . . . . . . . . . . . . 278
Fuses . . . . . . . . . . . . . . . . . . . . . . . . 278
Instrument Panel Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . 281
Overload . . . . . . . . . . . . . . . . . . . . . 277
Emergency
OnStar
®. . . . . . . . . . . . . . . . . . . . . . 357
Engine Air Cleaner/Filter . . . . . . . . . . . . . 260
Check and Service EngineSoon Light . . . . . . . . . . . . . . . . . . 120
Compartment Overview . . . . . . . 253
Coolant . . . . . . . . . . . . . . . . . . . . . . . 262
Coolant Temperature Gauge . . . . . . . . . . . . . . . . . . . . . . .117
Cooling System . . . . . . . . . . . . . . . 261
Cooling System Messages . . . 132
Drive Belt Routing . . . . . . . . . . . . 341
Exhaust . . . . . . . . . . . . . . . . . . . . . . .211
Heater . . . . . . . . . . . . . . . . . . . . . . . . 208 Engine (cont'd)
Oil Life System . . . . . . . . . . . . . . . 258
Oil Messages . . . . . . . . . . . . . . . . . 133
Oil Pressure Light . . . . . . . . . . . . 126
Overheated Protection
Operating Mode . . . . . . . . . . . . . 266
Overheating . . . . . . . . . . . . . . . . . . 265
Power Messages . . . . . . . . . . . . . 133
Running While Parked . . . . . . . . 212
Starting . . . . . . . . . . . . . . . . . . . . . . . 206
Entry Lighting . . . . . . . . . . . . . . . . . . . 154
Equipment, Towing . . . . . . . . . . . . . 247
Event Data Recorders . . . . . . . . . . 354
Exit Lighting . . . . . . . . . . . . . . . . . . . . 154
Extended Parking . . . . . . . . . . . . . . . 211
Extender, Safety Belt . . . . . . . . . . . . 67
Exterior Lamp Controls . . . . . . . . . 149
Exterior Lamps Off Reminder . . . 150
Exterior Lighting Battery Saver . . . . . . . . . . . . . . . . . . . . . . . . . 155
F
FeaturesMemory . . . . . . . . . . . . . . . . . . . . . . . . . 12
Filter, Engine Air Cleaner . . . . . . . . . . . 260
Flash-to-Pass . . . . . . . . . . . . . . . . . . . 150
Flashers, Hazard Warning . . . . . . 151
Flat Tire . . . . . . . . . . . . . . . . . . . . . . . . 303

Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-9921197) -
2017 - crc - 3/30/16
370 Index
Flat Tire (cont'd)Changing . . . . . . . . . . . . . . . . . . . . . 305
FlexFuel E85 . . . . . . . . . . . . . . . . . . . . . . . . . . . 240
Floor Mats . . . . . . . . . . . . . . . . . . . . . . 324
Fluid Automatic Transmission . . . . . . 259
Brakes . . . . . . . . . . . . . . . . . . . . . . . . 268
Washer . . . . . . . . . . . . . . . . . . . . . . . 266
Folding Mirrors . . . . . . . . . . . . . . . . . . 46
Forward Automatic Braking . . . . . 234
Forward Collision Alert (FCA) System . . . . . . . . . . . . . . . . . 231
Frequency Statement
Radio . . . . . . . . . . . . . . . . . . . . . . . . . 352
Front Seats Adjustment . . . . . . . . . . . . . . . . . . . . . 55
Heated and Ventilated . . . . . . . . . . 60
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . 238 Additives . . . . . . . . . . . . . . . . . . . . . 239
Economy Driving . . . . . . . . . . . . . . . 27
Filling a Portable FuelContainer . . . . . . . . . . . . . . . . . . . 242
Filling the Tank . . . . . . . . . . . . . . . 240
Foreign Countries . . . . . . . . . . . . 239
Gauge . . . . . . . . . . . . . . . . . . . . . . . . .117
Low Fuel Warning Light . . . . . . . 126
Requirements, California . . . . . 239 Fuel (cont'd)
System Messages . . . . . . . . . . . . 134
Fuses . . . . . . . . . . . . . . . . . . . . . . . . . . 278 Engine Compartment Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . 278
Instrument Panel Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . 281
G
Garage Door Opener . . . . . . . . . . . 146Programming . . . . . . . . . . . . . . . . . 146
Gauges Engine CoolantTemperature . . . . . . . . . . . . . . . . .117
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . .117
Odometer . . . . . . . . . . . . . . . . . . . . . .116
Speedometer . . . . . . . . . . . . . . . . . .116
Tachometer . . . . . . . . . . . . . . . . . . . .116
Trip Odometer . . . . . . . . . . . . . . . . .116
Warning Lights and Indicators . . . . . . . . . . . . . . . . . . . .112
General Information Service and Maintenance . . . . . 325
Towing . . . . . . . . . . . . . . . . . . . . . . . . 243
Vehicle Care . . . . . . . . . . . . . . . . . . 250
Glove Box . . . . . . . . . . . . . . . . . . . . . . 101
GM Mobility Reimbursement Program . . . . . . . . . . . . . . . . . . . . . . . 346
H
Halogen Bulbs . . . . . . . . . . . . . . . . . . 273
Hazard Warning Flashers . . . . . . . 151
Head Restraints . . . . . . . . . . . . . . . . . 53
Headlamps
Aiming . . . . . . . . . . . . . . . . . . . . . . . . 272
Automatic . . . . . . . . . . . . . . . . . . . . . 151
Bulb Replacement . . . . . . . . . . . . 273
Daytime RunningLamps (DRL) . . . . . . . . . . . . . . . . 150
Flash-to-Pass . . . . . . . . . . . . . . . . . 150
Headlamps, Front Turn Signal, Sidemarker, and
Parking Lamps . . . . . . . . . . . . . . 273
High Intensity Discharge (HID) Lighting . . . . . . . . . . . . . . . 273
High-Beam On Light . . . . . . . . . . 127
High/Low Beam Changer . . . . . 150
Lamps On Reminder . . . . . . . . . 127
Heated Steering Wheel . . . . . . . . . . . . . . . 106
Heated and Ventilated Front Seats . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Heated Mirrors . . . . . . . . . . . . . . . . . . . 47
Heater
Engine . . . . . . . . . . . . . . . . . . . . . . . . 208
Heating and Air Conditioning . . . 182