tow CADILLAC XTS 2017 1.G Owner's Guide
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Cadillac XTS Owner Manual (GMNA-Localizing-MidEast-10292881) - 2017 -
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DRIVING AND OPERATING 211
When the System Does Not
Seem to Work Properly
SBZA displays may not come on when
passing a vehicle quickly, for a
stopped vehicle, or when towing a
trailer. The SBZA detection zones that
extend back from the side of the
vehicle do not move further back
when a trailer is towed. Use caution
while changing lanes when towing a
trailer. SBZA may alert to objects
attached to the vehicle, such as a
trailer, bicycle, or object extending out
to either side of the vehicle. This is
normal system operation; the vehicle
does not need service.
SBZA may not always alert the driver
to vehicles in the side blind zone,
especially in wet conditions. The
system does not need to be serviced.
The system may light up due to
guardrails, signs, trees, shrubs, and
other non-moving objects. This is
normal system operation; the vehicle
does not need service.
SBZA may not operate when the SBZA
sensors in the left or right corners of
the rear bumper are covered with
mud, dirt, snow, ice, or slush, or inheavy rainstorms. For cleaning
instructions, see "Washing the
Vehicle" under
Exterior Care0278.
If the DIC still displays the system
unavailable message after cleaning
both sides of the vehicle toward the
rear corners of the vehicle, see your
dealer.
If the SBZA displays do not light up
when vehicles are in the blind zone
and the system is clean, the system
may need service. Take the vehicle to
your dealer.
When SBZA is disabled for any reason
other than the driver turning it off,
the Side Blind Zone Alert On option
will not be available on the
personalization menu.
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.
. 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, (Continued)
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DRIVING AND OPERATING 215
{Warning
Attempting to refuel without using
the funnel adapter may cause fuel
spillage and damage the capless
fuel system. This could cause a fire
and you or others could be badly
burned and the vehicle could be
damaged.
3. Remove and clean the funnel adapter and return to the storage
location.
Filling a Portable Fuel
Container
{Warning
Filling a portable fuel container
while it is in the vehicle can cause
fuel vapors that can ignite either by
static electricity or other means.
You or others could be badly
burned and the vehicle could be
damaged. Always:
(Continued)
Warning (Continued)
.Use approved fuel containers.
. Remove the container from
the vehicle, trunk, or pickup
bed before filling.
. Place the container on the
ground.
. Place the nozzle inside the fill
opening of the container
before dispensing fuel, and
keep it in contact with the fill
opening until filling is
complete.
. Fill the container no more
than 95% full to allow for
expansion.
. Do not smoke, light matches,
or use lighters while
pumping fuel.
. Avoid using cell phones or
other electronic devices.
Trailer Towing
General Towing
Information
Only use towing equipment that has
been designed for the vehicle. Contact
your dealer or trailering dealer for
assistance with preparing the vehicle
for towing a trailer. Read the entire
section before towing a trailer.
For towing a disabled vehicle, see
Towing the Vehicle 0276. For towing
the vehicle behind another vehicle
such as a motor home, see
Recreational Vehicle Towing 0276.
Driving Characteristics and
Towing Tips
Driving with a Trailer
When towing a trailer:
.
Become familiar with the state
and local laws that apply
specifically to trailer towing.
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216 DRIVING AND OPERATING
.Do not tow a trailer during the
first 800 km (500 mi), to prevent
damage to the engine, axle,
or other parts.
. Then, during the first 800 km
(500 mi) of trailer towing, do not
drive over 80 km/h (50 mph) and
do not make starts at full throttle.
. The vehicle can tow in D (Drive).
Use a lower gear if the
transmission shifts too often.
. Do not use Adaptive Cruise
Control when towing.
. The Forward Automatic Braking
System should be set to Off when
towing. See Forward Automatic
Braking (FAB) 0208.
. Turn off Parking Assist when
towing.{Warning
When towing a trailer, exhaust
gases may collect at the rear of the
vehicle and enter if the liftgate,
trunk/hatch, or rear-most window
is open.
When towing a trailer:
. Do not drive with the liftgate,
trunk/hatch, or rear-most
window open.
. Fully open the air outlets on
or under the instrument
panel.
. Also adjust the climate
control system to a setting
that brings in only outside air.
See “Climate Control Systems ”
in the Index.
For information about carbon
monoxide, see Engine
Exhaust 0182.
Towing a trailer requires a certain
amount of experience. The
combination you are driving is longer
and not as responsive as the vehicle itself. Get acquainted with the
handling and braking of the rig before
setting out for the open road.
Before starting, check all trailer hitch
parts and attachments, safety chains,
electrical connectors, lamps, tires, and
mirrors. If the trailer has electric
brakes, start the combination moving
and then apply the trailer brake
controller by hand to be sure the
brakes work.
During the trip, check occasionally to
be sure that the load is secure and the
lamps and any trailer brakes
still work.
Towing with a Stability Control
System
When towing, the sound of the
stability control system might be
heard. The system is reacting to the
vehicle movement caused by the
trailer, which mainly occurs during
cornering. This is normal when towing
heavier trailers.
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DRIVING AND OPERATING 217
Following Distance
Stay at least twice as far behind the
vehicle ahead as you would when
driving the vehicle without a trailer.
This can help to avoid situations that
require heavy braking and sudden
turns.
Passing
More passing distance is needed when
towing a trailer. Because the rig is
longer, it is necessary to go farther
beyond the passed vehicle before
returning to the lane.
Backing Up
Hold the bottom of the steering wheel
with one hand. To move the trailer to
the left, move your hand to the left.
To move the trailer to the right, move
your hand to the right. Always back
up slowly and, if possible, have
someone guide you.
Making TurnsCaution
Making very sharp turns while
trailering could cause the trailer to
come in contact with the vehicle.
The vehicle could be damaged.
Avoid making very sharp turns
while trailering.
When turning with a trailer, make
wider turns than normal so the trailer
will not strike soft shoulders, curbs,
road signs, trees, or other objects. Use
the turn signal well in advance and
avoid jerky or sudden maneuvers.
Turn Signals When Towing a
Trailer
The turn signal indicators on the
instrument cluster flash whenever
signaling a turn or lane change.
Properly hooked up, the trailer lamps
also flash, telling other drivers the
vehicle is turning, changing lanes,
or stopping. When towing a trailer, the arrows on
the instrument cluster flash for turns
even if the bulbs on the trailer are
burned out. Check occasionally to be
sure the trailer bulbs are still working.
Driving on Grades
Reduce speed and shift to a lower gear
before starting down a long or steep
downgrade. If the transmission is not
shifted down, the brakes might have
to be used so much that they would
get hot and no longer work well.
The vehicle can tow in D (Drive). Use
a lower gear if the transmission shifts
too often.
When towing at high altitude on steep
uphill grades, engine coolant boils at a
lower temperature than at normal
altitudes. If the engine is turned off
immediately after towing at high
altitude on steep uphill grades, the
vehicle could show signs similar to
engine overheating. To avoid this, let
the engine run while parked,
preferably on level ground, with the
transmission in P (Park) for a few
minutes before turning the engine off.
If the overheat warning comes on, see
Engine Overheating
0237.
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218 DRIVING AND OPERATING
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:
.Start the engine.
. Shift into a gear.
. 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 0288. 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 0237.
Trailer Towing
Before pulling a trailer, there are three
important considerations that have to
do with weight:
.
The weight of the trailer.
. The weight of the trailer tongue.
. The total weight on your vehicle's
tires.
Weight of the Trailer
How heavy can a trailer safely be?
It should never weigh more than
454 kg (1,000 lb). But even that can be
too heavy.
It depends on how the rig is used. For
example, speed, altitude, road grades,
outside temperature, and how much
the vehicle is used to pull a trailer are
all important. It can depend on any
special equipment on the vehicle, and
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DRIVING AND OPERATING 219
the amount of tongue weight the
vehicle can carry. See“Weight of the
Trailer Tongue ”later in this section.
Maximum trailer weight is calculated
assuming only the driver is in the tow
vehicle and it has all the required
trailering equipment. The weight of
additional optional equipment,
passengers, and cargo in the tow
vehicle must be subtracted from the
maximum trailer weight.
Ask your dealer for trailering
information or advice.
Weight of the Trailer Tongue
The tongue load (1) of any trailer is an
important weight to measure because
it affects the total gross weight of the
vehicle. The Gross Vehicle Weight
(GVW) includes the curb weight of the
vehicle, any cargo carried in it, and
the people who will be riding in the
vehicle. If there are a lot of options,
equipment, passengers, or cargo in the
vehicle, it will reduce the tongue
weight the vehicle can carry, which
will also reduce the trailer weight the
vehicle can tow. If towing a trailer, the
tongue load must be added to the GVW because the vehicle will be
carrying that weight, too. See
Vehicle
Load Limits 0173.The trailer tongue (1) should weigh 10
to 15 percent of the total loaded
trailer weight (2).
After loading the trailer, weigh the
trailer and then the tongue,
separately, to see if the weights are
proper. If they are not, adjustments
might be made by moving some items
around in the trailer.
Total Weight on Your Vehicle's
Tires
Be sure the vehicle's tires are inflated
to the upper limit for cold tires. These
numbers can be found on the Tire and
Loading Information label. See Vehicle
Load Limits 0173. Make sure not to go
over the GVW limit for the vehicle,
including the weight of the trailer
tongue.
Towing Equipment
Hitches
Use the correct hitch equipment. See
your dealer or a hitch dealer for
assistance.
. 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 so, seal
the holes when the hitch is
removed. If the holes are not
sealed, dirt, water, and deadly
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VEHICLE CARE 221
Vehicle Care
General Information
General Information . . . . . . . . . . . . . 222
Accessories andModifications . . . . . . . . . . . . . . . . . . . 222
Vehicle Checks
Doing Your OwnService Work . . . . . . . . . . . . . . . . . . . . 223
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223
Engine Compartment Overview . . . . . . . . . . . . . . . . . . . . . . . . . 224
Engine Cover . . . . . . . . . . . . . . . . . . . . . . 227
Engine Oil . . . . . . . . . . . . . . . . . . . . . . . . . 228
Engine Oil Life System . . . . . . . . . . . 230
Automatic Transmission Fluid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 231
Engine Air Cleaner/Filter . . . . . . . . . 231
Cooling System . . . . . . . . . . . . . . . . . . . 233
Engine Coolant . . . . . . . . . . . . . . . . . . . 234
Engine Overheating . . . . . . . . . . . . . . 237
Overheated Engine Protection Operating Mode . . . . . . . . . . . . . . . . . 238
Power Steering Fluid . . . . . . . . . . . . . 238
Washer Fluid . . . . . . . . . . . . . . . . . . . . . 239
Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 240
Brake Fluid . . . . . . . . . . . . . . . . . . . . . . . 241
Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242
All-Wheel Drive . . . . . . . . . . . . . . . . . . 242 Starter Switch Check . . . . . . . . . . . . . 243
Automatic Transmission Shift
Lock Control Function
Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . 243
Park Brake and P (Park)
Mechanism Check . . . . . . . . . . . . . . 243
Wiper Blade Replacement . . . . . . . 244
Windshield Replacement . . . . . . . . 244Headlamp Aiming
Headlamp Aiming . . . . . . . . . . . . . . . . 245
Bulb Replacement
Bulb Replacement . . . . . . . . . . . . . . . . 245
High Intensity Discharge (HID) Lighting . . . . . . . . . . . . . . . . . . . . . . . . . 245
LED Lighting . . . . . . . . . . . . . . . . . . . . . 245
Back-Up Lamps . . . . . . . . . . . . . . . . . . . 245
License Plate Lamp . . . . . . . . . . . . . . 246
Replacement Bulbs . . . . . . . . . . . . . . . 247
Electrical System
Electrical System Overload . . . . . . 247
Fuses and Circuit Breakers . . . . . . 248
Engine Compartment Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . 248
Instrument Panel Fuse Block . . . . 251
Rear Compartment Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . 252
Wheels and Tires
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 254 All-Season Tires . . . . . . . . . . . . . . . . . . 255
Winter Tires . . . . . . . . . . . . . . . . . . . . . . 255
Low-Profile Tires . . . . . . . . . . . . . . . . . 256
Summer Tires . . . . . . . . . . . . . . . . . . . . 256
Tire Pressure . . . . . . . . . . . . . . . . . . . . . . 256
Tire Pressure for High-Speed
Operation . . . . . . . . . . . . . . . . . . . . . . . . 257
Tire Pressure Monitor System . . . 258
Tire Pressure Monitor Operation . . . . . . . . . . . . . . . . . . . . . . . . 259
Tire Inspection . . . . . . . . . . . . . . . . . . . 262
Tire Rotation . . . . . . . . . . . . . . . . . . . . . 262
When It Is Time for New Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 263
Buying New Tires . . . . . . . . . . . . . . . . 264
Different Size Tires and Wheels . . . . . . . . . . . . . . . . . . . . . . . . . . 265
Wheel Alignment and Tire Balance . . . . . . . . . . . . . . . . . . . . . . . . . . 265
Wheel Replacement . . . . . . . . . . . . . . 266
Tire Chains . . . . . . . . . . . . . . . . . . . . . . . 266
If a Tire Goes Flat . . . . . . . . . . . . . . . . 267
Tire Changing . . . . . . . . . . . . . . . . . . . . . 268
Compact Spare Tire . . . . . . . . . . . . . . 272
Jump Starting
Jump Starting . . . . . . . . . . . . . . . . . . . . . 273
Towing the Vehicle
Towing the Vehicle . . . . . . . . . . . . . . . 276
Recreational Vehicle Towing . . . . 276
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228 VEHICLE CARE
4. Lift and remove the engine cover.
5. Reverse Steps 1–4 to reinstall theengine cover.
Engine Oil
To ensure proper engine performance
and long life, careful attention must
be paid to engine oil. Following these
simple, but important steps will help
protect your investment:
.Use engine oil approved to the
proper specification and of the
proper viscosity grade. See
“Selecting the Right Engine Oil” in
this section.
. Check the engine oil level regularly
and maintain the proper oil level.
See “Checking Engine Oil” and
“When to Add Engine Oil” in this
section.
. Change the engine oil at the
appropriate time. See Engine Oil
Life System 0230.
. Always dispose of engine oil
properly. See “What to Do with
Used Oil” in this section.
Checking Engine Oil
Check the engine oil level regularly,
every 650 km (400 mi), especially prior
to a long trip. The engine oil dipstick
handle is a loop. See Engine
Compartment Overview 0224 for the
location.
{Warning
The engine oil dipstick handle may
be hot; it could burn you. Use a
towel or glove to touch the dipstick
handle.
If a low oil Driver Information Center
(DIC) message displays, check the oil
level.
Follow these guidelines:
. To get an accurate reading, park
the vehicle on level ground. Check
the engine oil level after the
engine has been off for at least
two hours. Checking the engine oil
level on steep grades or too soon
after engine shutoff can result in
incorrect readings. Accuracy improves when checking a cold
engine prior to starting. Remove
the dipstick and check the level.
. If unable to wait two hours, the
engine must be off for at least
15 minutes if the engine is warm,
or at least 30 minutes if the
engine is not warm. Pull out the
dipstick, wipe it with a clean paper
towel or cloth, then push it back
in all the way. Remove it again,
keeping the tip down, and check
the level.
When to Add Engine Oil
3.6L V6 Engine
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VEHICLE CARE 237
2. Fill the CAC bottle with theproper mixture to the COLD FILL
mark pointed to on the front of
the CAC bottle.
3. Replace the pressure cap tightly.
Engine Overheating
The vehicle has an engine coolant
temperature gauge and an engine
temperature light to warn of engine
overheating.
There are also engine hot messages
that may be displayed in the Driver
Information Center (DIC). See Engine
Cooling System Messages 0136.
If the decision is made not to lift the
hood when one of these warnings
appears, but get service help
right away.
If the decision is made to lift the
hood, make sure the vehicle is parked
on a level surface.
Then check to see if the engine
cooling fans are running. If the engine
is overheating, the fans should be
running. If they are not, do not
continue to run the engine and have
the vehicle serviced.
Caution
Running the engine without coolant
may cause damage or a fire. Vehicle
damage would not be covered by
the vehicle warranty. See Overheated
Engine Protection Operating Mode
0 238 for information on driving to
a safe place in an emergency.
If Steam Is Coming from the
Engine Compartment
{Warning
Steam from an overheated engine
can burn you badly, even if you just
open the hood. Stay away from the
engine if you see or hear steam
coming from it. Just turn it off and
get everyone away from the vehicle
until it cools down. Wait until there
is no sign of steam or coolant
before you open the hood.
(Continued)
Warning (Continued)
If you keep driving when the engine
is overheated, the liquids in it can
catch fire. You or others could be
badly burned. Stop the engine if it
overheats, and get out of the
vehicle until the engine is cool.
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 may 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 is displayed
with no sign of steam:
1. Turn the air conditioning off.
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238 VEHICLE CARE
2. Turn the heater on to the highesttemperature 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 temperature overheat gauge is
no longer in the overheat zone or an
overheat warning no longer displays,
the vehicle can be driven. Continue to
drive the vehicle slow for about
10 minutes. Keep a safe vehicle
distance from the car in front of you.
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 ”next in
this section.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
warning light comes on in the
instrument cluster, to indicate the
vehicle has entered overheated engine
protection operating mode. The
temperature gauge also indicates an
overheat condition exists. Driving
extended distances and/or towing a
trailer in the overheat protection
mode should be avoided.
Power Steering Fluid
The power steering fluid reservoir is
under the engine cover on the
passenger side toward the rear of the
engine compartment. See Engine
Compartment Overview 0224.
When to Check Power Steering
Fluid
It is not necessary to regularly check
power steering fluid unless you
suspect there is a leak in the system
or an unusual noise is heard. A fluid
loss in this system could indicate a
problem. Have the system inspected
and repaired.
How to Check Power Steering
Fluid
Check the level when the engine
is cool.