fuel additives GMC TERRAIN 2020 Owner's Manual

GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-13556230) - 2020 - CRC - 9/4/19
162 Driving and Operating
Lane Change Alert (LCA) . . . . . 243
Lane Keep Assist (LKA) . . . . . . 245
Fuel
Top Tier Fuel (Gasoline) . . . . . . 248
Top Tier Fuel (Diesel) . . . . . . . . . 248
Recommended Fuel (LYX -1.5L L4 Turbo Engine) . . . . . . 248
Recommended Fuel (LTG - 2.0L L4 Turbo Engine) . . . . . . 249
Prohibited Fuels (Gasoline) . . . 249
Fuels in Foreign Countries . . . 249
Fuel Additives (Gasoline) . . . . . 250
Fuel Additives (Diesel) . . . . . . . 250
Fuel for Diesel Engines . . . . . . . 250
Biodiesel . . . . . . . . . . . . . . . . . . . . . 251
Cold Weather Operation (Diesel) . . . . . . . . . . . . . . . . . . . . . 252
Water in Fuel (Diesel) . . . . . . . . 252
Running Out of Fuel (Diesel) . . . . . . . . . . . . . . . . . . . . . 256
Fuel Filter Replacement (Diesel) . . . . . . . . . . . . . . . . . . . . . 256
Filling the Tank (Gasoline) . . . . 257
Filling the Tank (Diesel) . . . . . . . 258
Filling a Portable Fuel Container (Gasoline) . . . . . . . . 260
Filling a Portable Fuel Container (Diesel) . . . . . . . . . . . 261
Trailer Towing
General TowingInformation . . . . . . . . . . . . . . . . . . 262
Driving Characteristics and Towing Tips . . . . . . . . . . . . . . . . . 262
Trailer Towing . . . . . . . . . . . . . . . . 266
Towing Equipment . . . . . . . . . . . . 269
Conversions and Add-Ons
Add-On Electrical
Equipment . . . . . . . . . . . . . . . . . . 271
Driving Information
Driver Behavior
Driving is an important
responsibility. Driver behavior, the
driving environment, and the
vehicle's design all affect how well a
vehicle performs.
Being aware of these factors can
help in understanding how the
vehicle handles and what can be
done to avoid many types of
crashes, including a rollover crash.
Most serious injuries and fatalities to
unbelted occupants can be reduced
or prevented by the use of seat
belts. In a rollover crash, an
unbelted person is significantly
more likely to die than a person
wearing a seat belt. In addition,
avoiding excessive speed, sudden
or abrupt turns, and drunken or
aggressive driving can help make
trips safer and avoid the possibility
of a crash.

GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-13556230) - 2020 - CRC - 9/4/19
250 Driving and Operating
Fuel Additives (Gasoline)
TOP TIER Detergent Gasoline is
highly recommended for use with
your vehicle. If your country does
not have TOP TIER Detergent
Gasoline, add ACDelco Fuel
System Treatment Plus−Gasoline to
the vehicle’s gasoline fuel tank at
every oil change or 15 000 km
(9,000 mi), whichever occurs first.
TOP TIER Detergent Gasoline and
ACDelco Fuel System Treatment
Plus−Gasoline will help keep your
vehicle’s engine fuel deposit free
and performing optimally.
Fuel Additives (Diesel)
TOP TIER Detergent Diesel is
highly recommended for use with
your vehicle. If your area does not
have TOP TIER Detergent Diesel,
GM recommends the use of
ACDelco Diesel Fuel Conditioner.
This will help maintain optimal
engine performance. GM does not
recommend other aftermarket diesel
additives. If low-quality diesel is used for
refueling, GM recommends adding
ACDelco Fuel System Treatment
Plus-Diesel to help clean engine
deposits. This is available only at
your GM dealer.
Fuel for Diesel Engines
The selection of a high-quality fuel
is important for maintaining optimum
vehicle performance. Diesel fuel
should meet or exceed the minimum
requirements in the most current
versions of the local fuel standards.
Do not use fuel with more than
15 ppm sulfur.
Do not use a diesel blend containing
more than 20% biodiesel by volume.
Caution
Use of fuel that does not comply
with the required technical
standards can lead to engine
(Continued)
Caution (Continued)
power loss, increased wear,
or engine damage and may void
your warranty.
Some improper fuels are:
. Diesel fuel with the addition
of gasoline.
. Diesel fuel mixed with
engine oil or automatic
transmission fluid.
. Triglyceride fuels, such as
raw vegetable oil or animal
fat, in any form, including
with blends of diesel or
biodiesel.
. Marine diesel fuel and
fuel oils.
. Diesel-water emulsions,
such as Aquazole.
. Aftermarket diesel fuel
additives, which contain
alcohols, organo-metallic
additives, or water
emulsifiers.

GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/-
Mexico-13556230) - 2020 - CRC - 9/4/19
414 Index
Exterior Lamp Controls . . . . . . . . . 144
Exterior Lighting BatterySaver . . . . . . . . . . . . . . . . . . . . . . . . . 151
F
Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192Replacement (Fuel) . . . . . . . . . . . 256
Filter, Engine Air Cleaner . . . . . . . . . . . 288
Flash-to-Pass . . . . . . . . . . . . . . . . . . . 146
Flashers, Hazard Warning . . . . . . 147
Flat Tire . . . . . . . . . . . . . . . . . . . . . . . . 335 Changing . . . . . . . . . . . . . . . . . . . . . 343
Floor Mats . . . . . . . . . . . . . . . . . . . . . . 364
Fluid Automatic Transmission . . . . . . 288
Brakes . . . . . . . . . . . . . . . . . . . . . . . . 297
Washer . . . . . . . . . . . . . . . . . . . . . . . 296
Fog Lamps . . . . . . . . . . . . . . . . . . . . . 148
Folding Mirrors . . . . . . . . . . . . . . . . . . 30
Folding Seatback . . . . . . . . . . . . . . . . 45
Forward Collision Alert (FCA) System . . . . . . . . . . . . . . . . . 237
Frequency Statement Radio . . . . . . . . . . . . . . . . . . . . . . . . . 395
Front Fog Lamp
Light . . . . . . . . . . . . . . . . . . . . . . . . . . 123 Front Pedestrian Braking
(FPB) System . . . . . . . . . . . . . . . . . 241
Front Seats Adjustment . . . . . . . . . . . . . . . . . . . . . 39
Heated and Ventilated . . . . . . . . . . 44
Front Turn Signal Lamps . . . . . . . 304
Fuel Additives . . . . . . . . . . . . . . . . . . . . . 250
Biodiesel . . . . . . . . . . . . . . . . . . . . . 251
Cold Weather Operation . . . . . . 252
Diesel Engines . . . . . . . . . . . . . . . 250
Economy, Driving for Better . . . 163
Filling a Portable FuelContainer . . . . . . . . . . . . . . 260, 261
Filling the Tank . . . . . . . . . . 257, 258
Filter Replacement . . . . . . . . . . . 256
Foreign Countries . . . . . . . . . . . . 249
Gauge . . . . . . . . . . . . . . . . . . . . . . . . . 111
Low Fuel Warning Light . . . . . . . 122
Prohibited Fuels . . . . . . . . . . . . . . 249
Recommended . . . . . . . . . . 248, 249
Running out of Fuel . . . . . . . . . . . 256
Top Tier . . . . . . . . . . . . . . . . . . . . . . 248
Water in Fuel . . . . . . . . . . . . . . . . . 252
Fuel for Diesel Engines . . . . . . . . . 250
Fuses
Engine Compartment FuseBlock . . . . . . . . . . . . . . . . . . . . . . . . 307 Fuses (cont'd)
Fuses and Circuit Breakers . . . 307
Instrument Panel Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . 310
Rear Compartment Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . 312
G
Garage Door Opener . . . . . . . . . . . 140Programming . . . . . . . . . . . . . . . . . 140
Gas Strut(s) . . . . . . . . . . . . . . . . . . . . 302
Gauges Engine CoolantTemperature . . . . . . . . . . . . . . . . .112
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
Odometer . . . . . . . . . . . . . . . . . . . . . .110
Speedometer . . . . . . . . . . . . . . . . . .110
Tachometer . . . . . . . . . . . . . . . . . . . .110
Trip Odometer . . . . . . . . . . . . . . . . .110
Warning Lights and Indicators . . . . . . . . . . . . . . . . . . . 102
General Information Service and Maintenance . . . . . 366
Towing . . . . . . . . . . . . . . . . . . . . . . . . 262
Vehicle Care . . . . . . . . . . . . . . . . . . 274
Glove Box . . . . . . . . . . . . . . . . . . . . . . . 90
GM Mobility Reimbursement Program . . . . . . . . . . . . . . . . . . . . . . . 388