2017 BUICK ENVISION flat towing

Buick Envision Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
10122659) - 2017 - crc - 11/16/16
78 Seats and Restraints
2. Remove any additional materialfrom the seat, such as
blankets, cushions, seat
covers, seat heaters, or seat
massagers.
3. Place the seatback in the fully upright position.
4. Have the person sit upright in the seat, centered on the seat
cushion, with legs comfortably
extended.
5. If the shoulder portion of the belt is pulled out all the way,
the child restraint locking
feature will be engaged. This
may unintentionally cause the
passenger sensing system to
turn the airbags off for some
adult-sized occupants. If this
happens, unbuckle the belt, let
the belt go back all the way,
and then buckle the belt again
without pulling the belt out all
the way.
6. Restart the vehicle and have the person remain in this
position for two to
three minutes after the on
indicator is lit.{Warning
If the front outboard passenger
airbag is turned off for an
adult-sized occupant, the airbag
will not be able to inflate and help
protect that person in a crash,
resulting in an increased risk of
serious injury or even death. An
adult-sized occupant should not
ride in the front outboard
passenger seat, if the passenger
airbag off indicator is lit.
Additional Factors Affecting
System Operation
Safety belts help keep the
passenger in position on the seat
during vehicle maneuvers and
braking, which helps the passenger
sensing system maintain the
passenger airbag status. See
“Safety Belts” and“Child Restraints”
in the Index for additional
information about the importance of
proper restraint use. A thick layer of additional material,
such as a blanket or cushion,
or aftermarket equipment such as
seat covers, seat heaters, and seat
massagers can affect how well the
passenger sensing system
operates. We recommend that you
not use seat covers or other
aftermarket equipment except when
approved by GM for your specific
vehicle. See
Adding Equipment to
the Airbag-Equipped Vehicle 079
for more information about
modifications that can affect how
the system operates.
The on indicator may be lit if an
object, such as a briefcase,
handbag, grocery bag, laptop,
or other electronic device, is put on
an unoccupied seat. If this is not
desired, remove the object from
the seat.
{Warning
Stowing of articles under the
passenger seat or between the
passenger seat cushion and
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Buick Envision Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
10122659) - 2017 - crc - 11/16/16
Driving and Operating 233
Parking on Hills
{Warning
Parking the vehicle on a hill with
the trailer attached can be
dangerous. If something goes
wrong, the rig could start to move.
People can be injured, and both
the vehicle and the trailer can be
damaged. When possible, always
park the rig on a flat surface.
If parking the rig on a hill: 1. Press the brake pedal, but do not shift into P (Park) yet. Turn
the wheels into the curb if
facing downhill or into traffic if
facing uphill.
2. Have someone place chocks under the trailer wheels.
3. When the wheel chocks are in place, release the brake pedal
until the chocks absorb
the load.
4. Reapply the brake pedal. Then apply the parking brake and
shift into P (Park). 5. Release the brake pedal.
Leaving After Parking on a Hill
1. Apply and hold the brake pedal
while you:
1.1. Start the engine.
1.2. Shift into a gear.
1.3. Release the parking brake.
2. Let up on the brake pedal.
3. Drive slowly until the trailer is clear of the chocks.
4. Stop and have someone pick up and store the chocks.
Maintenance When Trailer
Towing
The vehicle needs service more
often when pulling a trailer. See the
Maintenance Schedule 0316.
Things that are especially important
in trailer operation are automatic
transmission fluid, engine oil, axle
lubricant, belts, cooling system, and
brake system. Inspect these before
and during the trip. Check periodically to see that all
hitch nuts and bolts are tight.
Engine Cooling When Trailer
Towing
The cooling system may temporarily
overheat during severe operating
conditions. See
Engine Overheating
0 255.
Trailer Towing
Do not tow a trailer during break-in.
See New Vehicle Break-In 0187.
{Warning
The driver can lose control when
pulling a trailer if the correct
equipment is not used or the
vehicle is not driven properly. For
example, if the trailer is too
heavy, the brakes may not work
well —or even at all. The driver
and passengers could be
seriously injured. The vehicle may
also be damaged; the resulting
repairs would not be covered by
(Continued)

Buick Envision Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
10122659) - 2017 - crc - 11/16/16
236 Driving and Operating
If a cargo carrier is used in the
trailer hitch receiver, choose a
carrier that positions the load as
close to the vehicle as possible.
Make sure the total weight,
including the carrier, is no more than
half of the maximum allowable
tongue weight for the vehicle or 91
kg (200 lb), whichever is less.
Total Weight on the Vehicle's
Tires
Inflate the vehicle's tires to the
upper limit for cold tires. These
numbers can be found on the
Certification label or seeVehicle
Load Limits 0183. Do not go over
the GVW limit for the vehicle, or the
GAWR, including the weight of the
trailer tongue. If using a weight
distributing hitch, do not go over the
rear axle limit before applying the
weight distribution spring bars.
Towing Equipment
Hitches
It is important to have the correct
hitch equipment. Crosswinds, large
trucks going by, and rough roads
are a few reasons why the right
hitch is needed.
. The rear bumper on the vehicle
is not intended for hitches. Do
not attach rental hitches or other
bumper-type hitches to it. Use
only a frame-mounted hitch that
does not attach to the bumper.
. Will any holes be made in the
body of the vehicle when the
trailer hitch is installed? If there
are, then be sure to seal the
holes when the hitch is removed.
If the holes are not sealed, dirt,
water, and deadly carbon
monoxide (CO) from the exhaust
may get into the vehicle. See
Engine Exhaust 0194.
Safety Chains
Always attach chains between the
vehicle and the trailer. Cross the
safety chains under the tongue of
the trailer to help prevent the tongue
from contacting the road if it
becomes separated from the hitch.
Always leave just enough slack so
the rig can turn. Never allow safety
chains to drag on the ground.
Trailer Brakes
A loaded trailer that weighs more
than 450 kg (1,000 lb) needs to have
its own brake system that is
adequate for the weight of the
trailer. Be sure to read and follow
the instructions for the trailer brakes
so they are installed, adjusted, and
maintained properly.
Because the vehicle has antilock
brakes, do not try to tap into the
vehicle's hydraulic brake system.
If you do, both brake systems will
not work well, or at all.

Buick Envision Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
10122659) - 2017 - crc - 11/16/16
Vehicle Care 301
Jumper Cable Removal
Reverse the sequence exactly when
removing the jumper cables.
After starting the disabled vehicle
and removing the jumper cables,
allow it to idle for several minutes.Towing the Vehicle
Caution
Incorrectly towing a disabled
vehicle may cause damage. The
damage would not be covered by
the vehicle warranty.
Do not use a wheel lift tow truck
to tow the vehicle. Only use a
flatbed car carrier.
Do not lash or hook to
suspension components. Use the
proper straps around the tires to
secure the vehicle.
Use the tow eye for towing a
disabled vehicle or loading it onto a
flatbed car carrier. The tow eye
should not be used to recover a
vehicle from an off-road situation.
Caution
Improper use of the tow eye can
cause vehicle damage. Use
caution and low speeds to
prevent damage to the vehicle.
Consult your dealer or a
professional towing service if the
disabled vehicle must be towed.
Front Tow Eye
Carefully open the cover by using
the small notch that conceals the
front tow eye socket.

Buick Envision Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
10122659) - 2017 - crc - 11/16/16
316 Service and Maintenance
frequent checks and services. The
Additional Required Services -
Normal are for vehicles that:
.Carry passengers and cargo
within recommended limits on
the Tire and Loading Information
label. See Vehicle Load Limits
0 183.
. Are driven on reasonable road
surfaces within legal driving
limits.
. Use the recommended fuel. See
Fuel 0226.
Refer to the information in the
Maintenance Schedule Additional
Required Services - Normal chart.
The Additional Required Services -
Severe are for vehicles that are:
. Mainly driven in heavy city traffic
in hot weather.
. Mainly driven in hilly or
mountainous terrain.
. Frequently towing a trailer.
. Used for high speed or
competitive driving. .
Used for taxi, police, or delivery
service.
Refer to the information in the
Maintenance Schedule Additional
Required Services - Severe chart.
{Warning
Performing maintenance work can
be dangerous and can cause
serious injury. Perform
maintenance work only if the
required information, proper tools,
and equipment are available.
If they are not, see your dealer to
have a trained technician do the
work. See Doing Your Own
Service Work 0240.
Maintenance
Schedule
Owner Checks and Services
At Each Fuel Stop
.
Check the engine oil level. See
Engine Oil 0245.
Once a Month
. Check the tire inflation
pressures. See Tire Pressure
0 279.
. Inspect the tires for wear. See
Tire Inspection 0284.
. Check the windshield washer
fluid level. See Washer Fluid
0 256.
Engine Oil Change
When the CHANGE ENGINE OIL
SOON message displays, have the
engine oil and filter changed within
the next 1 000 km/600 mi. If driven
under the best conditions, the
engine oil life system may not
indicate the need for vehicle service
for up to a year. The engine oil and
filter must be changed at least once

Buick Envision Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
10122659) - 2017 - crc - 11/16/16
Customer Information 335
.Lock-Out Service: Service to
unlock the vehicle if you are
locked out. A remote unlock may
be available if you have
OnStar
®. For security reasons,
the driver must present
identification before this service
is given.
. Emergency Tow from a Public
Road or Highway: Tow to the
nearest Buick dealer for
warranty service, or if the vehicle
was in a crash and cannot be
driven. Assistance is not given
when the vehicle is stuck in
sand, mud, or snow.
. Flat Tire Change: Service to
change a flat tire with the spare
tire. The spare tire, if equipped,
must be in good condition and
properly inflated. It is the owner's
responsibility for the repair or
replacement of the tire if it is not
covered by the warranty.
. Battery Jump Start: Service to
jump start a dead battery. .
Trip Interruption Benefits and
Assistance: If your trip is
interrupted due to a warranty
event, incidental expenses may
be reimbursed within the
Powertrain warranty period.
Items considered are reasonable
and customary hotel, meals,
rental car, or a vehicle being
delivered back to the customer,
up to 805 km (500 mi).
Services Not Included in
Roadside Assistance
. Impound towing caused by
violation of any laws.
. Legal fines.
. Mounting, dismounting,
or changing of snow tires,
chains, or other traction devices.
Service is not provided if a vehicle
is in an area that is not accessible
to the service vehicle or is not a
regularly traveled or maintained
public road, which includes ice and
winter roads. Off-road use is not
covered.
Services Specific to
Canadian-Purchased Vehicles
. Fuel Delivery: Reimbursement
is up to 7 liters. Diesel fuel
delivery may be restricted.
Propane and other fuels are not
provided through this service.
. Lock-Out Service: Vehicle
registration is required.
. Trip Interruption Benefits and
Assistance: Must be over
150 km from where your trip was
started to qualify.
Pre-authorization, original
detailed receipts, and a copy of
the repair orders are required.
Once authorization has been
received, the Roadside
Assistance advisor will help you
make arrangements and explain
how to receive payment.
. Alternative Service: If
assistance cannot be provided
right away, the Roadside
Assistance advisor may give
permission to get local
emergency road service. You will
receive payment, up to $100,
after sending the original receipt

Buick Envision Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
10122659) - 2017 - crc - 11/16/16
Index 357
Driving (cont'd)Defensive . . . . . . . . . . . . . . . . . . . . . 177
Drunk . . . . . . . . . . . . . . . . . . . . . . . . . 178
Environment . . . . . . . . . . . . . . . . . . 176
For Better Fuel Economy . . . . . . . 25
Hill and Mountain Roads . . . . . . 181
If the Vehicle is Stuck . . . . . . . . . 183
Loss of Control . . . . . . . . . . . . . . . 179
Off-Road Recovery . . . . . . . . . . . 179
Vehicle Load Limits . . . . . . . . . . . 183
Wet Roads . . . . . . . . . . . . . . . . . . . 180
Winter . . . . . . . . . . . . . . . . . . . . . . . . 181
Driving the Vehicle . . . . . . . . . . . . . . . . 2
Dual Automatic Climate Control System . . . . . . . . . . . . . . . . 168
E
Electric Parking Brake . . . . . . . . . . 199
Electric Parking Brake Light . . . . 125
Electrical Equipment,Add-On . . . . . . . . . . . . . . . . . . . . . . . 237
Electrical System Engine Compartment FuseBlock . . . . . . . . . . . . . . . . . . . . . . . . 266
Fuses and Circuit Breakers . . . 266
Instrument Panel Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . 269
Overload . . . . . . . . . . . . . . . . . . . . . 265 Electrical System (cont'd)
Rear Compartment Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . 270
Emergency
OnStar
®. . . . . . . . . . . . . . . . . . . . . . 345
Engine Air Cleaner/Filter . . . . . . . . . . . . . 249
Check and Service EngineSoon Light . . . . . . . . . . . . . . . . . . 122
Compartment Overview . . . . . . . 242
Coolant . . . . . . . . . . . . . . . . . . . . . . . 252
Coolant Temperature Gauge . . . . . . . . . . . . . . . . . . . . . . .119
Coolant Temperature
Warning Light . . . . . . . . . . . . . . . 127
Cooling System . . . . . . . . . . . . . . . 251
Cooling System Messages . . . 142
Drive Belt Routing . . . . . . . . . . . . 329
Exhaust . . . . . . . . . . . . . . . . . . . . . . 194
Heater . . . . . . . . . . . . . . . . . . . . . . . . 191
Oil Life System . . . . . . . . . . . . . . . 247
Oil Messages . . . . . . . . . . . . . . . . . 143
Oil Pressure Light . . . . . . . . . . . . 128
Overheating . . . . . . . . . . . . . . . . . . 255
Power Messages . . . . . . . . . . . . . 143
Running While Parked . . . . . . . . 195
Starting . . . . . . . . . . . . . . . . . . . . . . . 189
Entry Lighting . . . . . . . . . . . . . . . . . . . 165 Equipment, Towing . . . . . . . . . . . . . 236
Event Data Recorders . . . . . . . . . . 342
Exit Lighting . . . . . . . . . . . . . . . . . . . . 166
Extended Parking . . . . . . . . . . . . . . . 194
Extender, Safety Belt . . . . . . . . . . . . 66
Exterior Lamp Controls . . . . . . . . . 159
Exterior Lamps Off Reminder . . . 161
Exterior Lighting Battery
Saver . . . . . . . . . . . . . . . . . . . . . . . . . 166
F
FeaturesMemory . . . . . . . . . . . . . . . . . . . . . . . . . 11
Filter, Engine Air Cleaner . . . . . . . . . . . 249
Flash-to-Pass . . . . . . . . . . . . . . . . . . . 161
Flashers, Hazard Warning . . . . . . 163
Flat Tire . . . . . . . . . . . . . . . . . . . . . . . . 291 Changing . . . . . . . . . . . . . . . . . . . . . 292
Floor Mats . . . . . . . . . . . . . . . . . . . . . . 313
Fluid Automatic Transmission . . . . . . 248
Brakes . . . . . . . . . . . . . . . . . . . . . . . . 258
Washer . . . . . . . . . . . . . . . . . . . . . . . 256
Fog Lamps . . . . . . . . . . . . . . . . . . . . . 164
Folding Mirrors . . . . . . . . . . . . . . . . . . 45
Forward Automatic Braking . . . . . 221
Forward Collision Alert (FCA) System . . . . . . . . . . . . . . . . . 218