Page 169 of 307

Buick Cascada Owner Manual (GMNA-Localizing-U.S.-12461774) - 2019 -
CRC - 3/26/18
168 Driving and Operating
Collision Alert
When your vehicle approaches
another vehicle too rapidly, the FCA
display will come on in the DIC and
several high-pitched beeps will
sound. Apply the brake pedal as
needed. Cruise control may be
disengaged when the Collision Alert
occurs.
Selecting the Alert Timing
The Collision Alert control is on the
steering wheel. Press
[to set the
alert timing. The first button press
shows the current control setting on
the DIC. Additional button presses
will change this setting and turn the
system off.
Unnecessary Alerts
FCA may provide unnecessary
alerts for turning vehicles, vehicles
in other lanes, objects that are not
vehicles, or shadows. These alerts
are normal operation and the
vehicle does not need service.
Cleaning the System
If the FCA system does not seem to
operate properly, clean the outside
of the windshield area in front of the
camera sensor before considering
taking the vehicle in for service.
Lane Departure
Warning (LDW)
If equipped, LDW may help avoid
crashes due to unintentional lane
departures. It may provide an alert if
the vehicle is crossing a lane
without using a turn signal in that
direction. LDW uses a camera
sensor to detect the lane markings
at speeds of 56 km/h (35 mph) or
greater.
{Warning
The LDW system does not steer
the vehicle. The LDW system
may not:
. Provide enough time to
avoid a crash.
(Continued)
Page 170 of 307

Buick Cascada Owner Manual (GMNA-Localizing-U.S.-12461774) - 2019 -
CRC - 3/26/18
Driving and Operating 169
Warning (Continued)
.Detect lane markings under
poor weather or visibility
conditions. This can occur if
the windshield or
headlamps are blocked by
dirt, snow, or ice; if they are
not in proper condition; or if
the sun shines directly into
the camera.
. Detect road edges.
. Detect lanes on winding or
hilly roads.
If LDW only detects lane
markings on one side of the road,
it will only warn you when
departing the lane on the side
where it has detected a lane
marking. Always keep your
attention on the road and
maintain proper vehicle position
within the lane, or vehicle
damage, injury, or death could
occur. Always keep the
windshield, headlamps, and (Continued)
Warning (Continued)
camera sensors clean and in
good repair. Do not use LDW in
bad weather conditions.
How the System Works
The LDW camera sensor is on the
windshield ahead of the rearview
mirror.
To turn LDW on and off, press
@on
the center stack. The control
indicator will light when LDW is on.
When LDW is on,@is green if
LDW is available to warn of a lane
departure. If the vehicle crosses a
detected lane marking without using
the turn signal in that direction,
@
changes to amber and flashes. Additionally, there will be three
beeps on the right or left, depending
on the lane departure direction.
When the System Does Not
Seem To Work Properly
The system may not detect lanes as
well when there are:
.
Close vehicles ahead.
. Sudden lighting changes, such
as when driving through tunnels.
. Banked roads.
If the LDW system is not functioning
properly when lane markings are
clearly visible, cleaning the
windshield may help.
LDW alerts may occur due to tar
marks, shadows, cracks in the road,
temporary or construction lane
markings, or other road
imperfections. This is normal system
operation; the vehicle does not need
service. Turn LDW off if these
conditions continue.
Page 171 of 307

Buick Cascada Owner Manual (GMNA-Localizing-U.S.-12461774) - 2019 -
CRC - 3/26/18
170 Driving and Operating
Fuel
Top Tier Fuel
GM recommends the use of TOP
TIER Detergent Gasoline to keep
the engine clean, reduce engine
deposits, and maintain optimal
vehicle performance. Look for the
TOP TIER Logo or see
www.toptiergas.com for a list of TOP
TIER Detergent Gasoline marketers
and applicable countries.
Recommended Fuel
Do not use any fuel labeled E85 or
FlexFuel. Do not use gasoline with
ethanol levels greater than 15% by
volume.
Premium unleaded gasoline
meeting ASTM specification D4814
with a posted octane rating of 93 is
highly recommended for best
performance and fuel economy.
Unleaded gasoline with an octane
rated as low as 87 can be used.
Using unleaded gasoline rated
below 93 octane, however, will lead
to reduced acceleration and fuel
economy. If knocking occurs, use a
gasoline rated at 93 octane as soon
as possible, otherwise, the engine
could be damaged. If heavy
knocking is heard when using
gasoline with a 93 octane rating, the
engine needs service.
Prohibited Fuels
Caution
Do not use fuels with any of the
following conditions; doing so
may damage the vehicle and void
its warranty:. For vehicles that are not
FlexFuel, fuel labeled
greater than 15% ethanol by
volume, such as mid-level
ethanol blends (16–50%
ethanol), E85, or FlexFuel.
. Fuel with any amount of
methanol, methylal,
ferrocene, and aniline.
These fuels can corrode
metal fuel system parts or
damage plastic and rubber
parts.
. Fuel containing metals such
as methylcyclopentadienyl
manganese tricarbonyl
(Continued)
Page 172 of 307

Buick Cascada Owner Manual (GMNA-Localizing-U.S.-12461774) - 2019 -
CRC - 3/26/18
Driving and Operating 171
Caution (Continued)
(MMT), which can damage
the emissions control
system and spark plugs.
. Fuel with a posted octane
rating of less than the
recommended fuel. Using
this fuel will lower fuel
economy and performance,
and may decrease the life of
the emissions catalyst.
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 0170.
Fuel Additives
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.
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.
(Continued)
Warning (Continued)
.Do not leave the fuel pump
unattended.
. Avoid using electronic
devices while refueling.
. Do not re-enter the vehicle
while pumping fuel.
. 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.
Page 173 of 307

Buick Cascada Owner Manual (GMNA-Localizing-U.S.-12461774) - 2019 -
CRC - 3/26/18
172 Driving and Operating
The fuel cap is behind a hinged fuel
door on the passenger side of the
vehicle. The fuel door is locked
when the vehicle doors are locked.
Press
Kon the RKE transmitter to
unlock. To open the fuel door, push
and release the rearward center
edge of the door.
Turn the fuel cap counterclockwise
to remove. While refueling, hang the
tethered fuel cap from the hook on
the fuel door.
{Warning
Overfilling the fuel tank by more
than three clicks of a standard fill
nozzle may cause:
. Vehicle performance issues,
including engine stalling and
damage to the fuel system.
. Fuel spills.
. Potential fuel fires. Be careful not to spill fuel. Wait a
few seconds after you have finished
pumping before removing the
nozzle. Clean fuel from painted
surfaces as soon as possible. See
Exterior Care
0244.
When replacing the fuel cap, turn it
clockwise until it clicks. Make sure
the cap is fully installed. The
diagnostic system can determine if
the fuel cap has been left off or
improperly installed. This would
allow fuel to evaporate into the
atmosphere. See Malfunction
Indicator Lamp (Check Engine
Light) 0104.
{Warning
If a fire starts while you are
refueling, do not remove the
nozzle. Shut off the flow of fuel by
shutting off the pump or by
notifying the station attendant.
Leave the area immediately.
Page 174 of 307

Buick Cascada Owner Manual (GMNA-Localizing-U.S.-12461774) - 2019 -
CRC - 3/26/18
Driving and Operating 173
Caution
If a new fuel cap is needed, be
sure to get the right type of cap
from your dealer. The wrong type
of fuel cap may not fit properly,
may cause the malfunction
indicator lamp to light, and could
damage the fuel tank and
emissions system. See
Malfunction Indicator Lamp
(Check Engine Light)0104.
Filling a Portable Fuel
Container
{Warning
Never fill a portable fuel container
while it is in the vehicle. Static
electricity discharge from the
container can ignite the fuel
vapor. You can be badly burned
and the vehicle damaged if this
occurs. To help avoid injury to you
and others:
(Continued)
Warning (Continued)
.Dispense fuel only into
approved containers.
. Do not fill a container while
it is inside a vehicle, in a
vehicle's trunk, pickup bed,
or on any surface other than
the ground.
. Bring the fill nozzle in
contact with the inside of
the fill opening before
operating the nozzle.
Contact should be
maintained until the filling is
complete.
. Do not smoke while
pumping fuel.
. Avoid using electronic
devices.
Trailer Towing
General Towing
Information
The vehicle is neither designed nor
intended to tow a trailer.
Page 175 of 307

Buick Cascada Owner Manual (GMNA-Localizing-U.S.-12461774) - 2019 -
CRC - 3/26/18
174 Driving and Operating
Conversions and
Add-Ons
Add-On Electrical
Equipment
{Warning
The Data Link Connector (DLC) is
used for vehicle service
and Emission Inspection/
Maintenance testing. See
Malfunction Indicator Lamp
(Check Engine Light)0104.
A device connected to the DLC —
such as an aftermarket fleet or
driver-behavior tracking device —
may interfere with vehicle
systems. This could affect vehicle
operation and cause a crash.
Such devices may also access
information stored in the vehicle’s
systems.
Caution
Some electrical equipment can
damage the vehicle or cause
components to not work and
would not be covered by the
vehicle warranty. Always check
with your dealer before adding
electrical equipment.
Add-on equipment can drain the
vehicle's 12-volt battery, even if the
vehicle is not operating.
The vehicle has an airbag system.
Before attempting to add anything
electrical to the vehicle, see
Servicing the Airbag-Equipped
Vehicle 071 and Adding Equipment
to the Airbag-Equipped Vehicle
0 71.
Page 176 of 307

Buick Cascada Owner Manual (GMNA-Localizing-U.S.-12461774) - 2019 -
CRC - 3/26/18
Vehicle Care 175
Vehicle Care
General Information
General Information . . . . . . . . . . 176
California Proposition65 Warning . . . . . . . . . . . . . . . . . 176
California Perchlorate Materials Requirements . . . . . 177
Accessories and Modifications . . . . . . . . . . . . . . . . 177
Vehicle Checks
Doing Your OwnService Work . . . . . . . . . . . . . . . 177
Hood . . . . . . . . . . . . . . . . . . . . . . . . . 178
Engine Compartment Overview . . . . . . . . . . . . . . . . . . . . 180
Engine Oil . . . . . . . . . . . . . . . . . . . . 181
Engine Oil Life System . . . . . . . 183
Automatic Transmission Fluid . . . . . . . . . . . . . . . . . . . . . . . . 184
Engine Air Cleaner/Filter . . . . . . 185
Cooling System . . . . . . . . . . . . . . 186
Engine Overheating . . . . . . . . . . 189
Washer Fluid . . . . . . . . . . . . . . . . . 190
Brakes . . . . . . . . . . . . . . . . . . . . . . . 191
Brake Fluid . . . . . . . . . . . . . . . . . . . 192
Battery - North America . . . . . . 193
Starter Switch Check . . . . . . . . . 193 Automatic Transmission Shift
Lock Control Function
Check . . . . . . . . . . . . . . . . . . . . . . . 194
Ignition Transmission Lock Check . . . . . . . . . . . . . . . . . . . . . . . 194
Park Brake and P (Park) Mechanism Check . . . . . . . . . . 194
Wiper Blade Replacement . . . . 195
Windshield Replacement . . . . . 195
Gas Strut(s) . . . . . . . . . . . . . . . . . . 195
Headlamp Aiming
Headlamp Aiming . . . . . . . . . . . . 197
Bulb Replacement
Bulb Replacement . . . . . . . . . . . . 197
High Intensity Discharge (HID) Lighting . . . . . . . . . . . . . . . . . . . . . 197
LED Lighting . . . . . . . . . . . . . . . . . 197
Adaptive Forward Lighting Lamps . . . . . . . . . . . . . . . . . . . . . . 197
Fog Lamps . . . . . . . . . . . . . . . . . . . 198
Front Turn Signal Lamps . . . . . 199
Sidemarker Lamps . . . . . . . . . . . 199
Side Turn Signal Lamps . . . . . . 200
Back-Up Lamps . . . . . . . . . . . . . . 201
License Plate Lamp . . . . . . . . . . 203
Electrical System
Electrical System Overload . . . 203
Fuses and Circuit Breakers . . . 204 Engine Compartment Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . 204
Instrument Panel Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . 207
Rear Compartment Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . 209
Wheels and Tires
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . 211
All-Season Tires . . . . . . . . . . . . . . 212
Winter Tires . . . . . . . . . . . . . . . . . . 212
Low-Profile Tires . . . . . . . . . . . . . 213
Tire Sidewall Labeling . . . . . . . . 213
Tire Designations . . . . . . . . . . . . . 215
Tire Terminology andDefinitions . . . . . . . . . . . . . . . . . . 216
Tire Pressure . . . . . . . . . . . . . . . . . 218
Tire Pressure Monitor
System . . . . . . . . . . . . . . . . . . . . . . 219
Tire Pressure Monitor Operation . . . . . . . . . . . . . . . . . . . 220
Tire Inspection . . . . . . . . . . . . . . . . 223
Tire Rotation . . . . . . . . . . . . . . . . . 224
When It Is Time for New Tires . . . . . . . . . . . . . . . . . . . . . . . . 225
Buying New Tires . . . . . . . . . . . . . 225
Different Size Tires and Wheels . . . . . . . . . . . . . . . . . . . . . . 227
Uniform Tire Quality Grading . . . . . . . . . . . . . . . . . . . . . 227