2016 CADILLAC XTS Owners Manual

Cadillac XTS Owner Manual (GMNA-Localizing-MidEast-9369806) - 2016 -
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224 Driving and Operating
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. SeeEngine Overheating
0 243.
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 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
0177.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

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Driving and Operating 225
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. SeeVehicle Load Limits
0 177. 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
carbon monoxide (CO) from the
exhaust can get into the vehicle.
See Engine Exhaust 0186.
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.
Leave enough slack so the rig can
turn. Never allow safety chains to
drag on the ground.
Trailer Brakes
Does the trailer have its own
brakes? 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 tap into the vehicle's
brake system. If this is done, both
brake systems will not work well or
at all.

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226 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. SeeMalfunction Indicator
Lamp (Check Engine Light) 0119.
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 078 and Adding Equipment
to the Airbag-Equipped Vehicle
0 78.

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Vehicle Care 227
Vehicle Care
General Information
General Information . . . . . . . . . . 228
Accessories andModifications . . . . . . . . . . . . . . . . 228
Vehicle Checks
Doing Your OwnService Work . . . . . . . . . . . . . . . 229
Hood . . . . . . . . . . . . . . . . . . . . . . . . . 229
Engine Compartment Overview . . . . . . . . . . . . . . . . . . . . 230
Engine Cover . . . . . . . . . . . . . . . . . 233
Engine Oil . . . . . . . . . . . . . . . . . . . . 234
Engine Oil Life System . . . . . . . 236
Automatic Transmission Fluid . . . . . . . . . . . . . . . . . . . . . . . . 237
Engine Air Cleaner/Filter . . . . . . 237
Cooling System . . . . . . . . . . . . . . 239
Engine Coolant . . . . . . . . . . . . . . . 240
Engine Overheating . . . . . . . . . . 243
Overheated Engine Protection Operating Mode . . . . . . . . . . . . . 244
Power Steering Fluid (LFX with FWD) . . . . . . . . . . . . . . . . . . 244
Power Steering Fluid (LF3 and LFX with AWD) . . . . . . . . . . . . . 244
Washer Fluid . . . . . . . . . . . . . . . . . 245
Brakes . . . . . . . . . . . . . . . . . . . . . . . 246 Brake Fluid . . . . . . . . . . . . . . . . . . . 247
Battery . . . . . . . . . . . . . . . . . . . . . . . . 248
All-Wheel Drive . . . . . . . . . . . . . . . 249
Starter Switch Check . . . . . . . . . 249
Automatic Transmission Shift
Lock Control Function
Check . . . . . . . . . . . . . . . . . . . . . . . 249
Park Brake and P (Park) Mechanism Check . . . . . . . . . . 249
Wiper Blade Replacement . . . . 250
Windshield Replacement . . . . . 251
Headlamp Aiming
Headlamp Aiming . . . . . . . . . . . . 251
Bulb Replacement
Bulb Replacement . . . . . . . . . . . . 251
High Intensity Discharge (HID) Lighting . . . . . . . . . . . . . . . . . . . . . 251
LED Lighting . . . . . . . . . . . . . . . . . 252
Back-Up Lamps . . . . . . . . . . . . . . 252
License Plate Lamp . . . . . . . . . . 252
Replacement Bulbs . . . . . . . . . . . 253
Electrical System
Electrical System Overload . . . 253
Fuses and Circuit Breakers . . . 254
Engine Compartment Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . 254
Instrument Panel Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . 257 Rear Compartment Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . 259
Wheels and Tires
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . 261
All-Season Tires . . . . . . . . . . . . . . 262
Winter Tires . . . . . . . . . . . . . . . . . . 262
Summer Tires . . . . . . . . . . . . . . . . 262
Tire Pressure . . . . . . . . . . . . . . . . . 263
Tire Pressure for High-SpeedOperation . . . . . . . . . . . . . . . . . . . 264
Tire Pressure Monitor System . . . . . . . . . . . . . . . . . . . . . . 265
Tire Pressure Monitor Operation . . . . . . . . . . . . . . . . . . . 266
Tire Inspection . . . . . . . . . . . . . . . . 268
Tire Rotation . . . . . . . . . . . . . . . . . 269
When It Is Time for New Tires . . . . . . . . . . . . . . . . . . . . . . . . 270
Buying New Tires . . . . . . . . . . . . . 271
Different Size Tires and Wheels . . . . . . . . . . . . . . . . . . . . . . 272
Wheel Alignment and Tire Balance . . . . . . . . . . . . . . . . . . . . . 272
Wheel Replacement . . . . . . . . . . 273
Tire Chains . . . . . . . . . . . . . . . . . . . 273
If a Tire Goes Flat . . . . . . . . . . . . 274
Tire Changing . . . . . . . . . . . . . . . . 275
Compact Spare Tire . . . . . . . . . . 280

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228 Vehicle Care
Jump Starting
Jump Starting . . . . . . . . . . . . . . . . 281
Towing the Vehicle
Towing the Vehicle . . . . . . . . . . . 284
Recreational VehicleTowing . . . . . . . . . . . . . . . . . . . . . . 284
Appearance Care
Exterior Care . . . . . . . . . . . . . . . . . 287
Interior Care . . . . . . . . . . . . . . . . . . 291
Floor Mats . . . . . . . . . . . . . . . . . . . . 294
General Information
For service and parts needs, visit
your dealer. You will receive
genuine parts and trained and
supported service people.
Accessories and
Modifications
Adding non-dealer accessories or
making modifications to the vehicle
can affect vehicle performance and
safety, including such things as
airbags, braking, stability, ride and
handling, emissions systems,
aerodynamics, durability, and
electronic systems like antilock
brakes, traction control, and stability
control. These accessories or
modifications could even cause
malfunction or damage not covered
by the vehicle warranty.
Damage to vehicle components
resulting from modifications or the
installation or use of non-GM
certified parts, including control
module or software modifications, is
not covered under the terms of the vehicle warranty and may affect
remaining warranty coverage for
affected parts.
GM Accessories are designed to
complement and function with other
systems on the vehicle. See your
dealer to accessorize the vehicle
using genuine GM Accessories
installed by a dealer technician.
Also, see
Adding Equipment to the
Airbag-Equipped Vehicle 078.

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Vehicle Care 229
Vehicle Checks
Doing Your Own
Service Work
{Warning
It can be dangerous to work on
your vehicle if you do not have
the proper knowledge, service
manual, tools, or parts. Always
follow owner manual procedures
and consult the service manual
for your vehicle before doing any
service work.
If doing some of your own service
work, use the proper service
manual. It tells you much more
about how to service the vehicle
than this manual can.
This vehicle has an airbag system.
Before attempting to do your own
service work, see Airbag System
Check 079.
Keep a record with all parts receipts
and list the mileage and the date of
any service work performed.
Caution
Even small amounts of
contamination can cause damage
to vehicle systems. Do not allow
contaminants to contact the fluids,
reservoir caps, or dipsticks.
Hood
To open the hood:
1. Pull the hood release lever with this symbol on it. It is inside the
vehicle on the lower side of the
instrument panel.
2. Go to the front of the vehicle tofind the secondary hood
release handle. The handle is
under the front edge of the
hood near the center. Push the
handle to the right and at the
same time raise the hood.
Before closing the hood, be sure all
the filler caps are on properly. Then
bring the hood from full open to
within 15 cm (6 in) from the closed
position, pause, then push the front
center of the hood with a swift, firm
motion to fully close the hood.

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230 Vehicle Care
Engine Compartment Overview
3.6L V6 Engine

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1.Engine Air Cleaner/Filter 0237.
2. Power Steering Fluid Reservoir (Under Engine Cover). See
Power Steering Fluid (LFX with
FWD) 0244 orPower Steering
Fluid (LF3 and LFX with AWD)
0 244.
3. Engine Oil Fill Cap. See Engine Oil 0234.
4. Engine Oil Dipstick (Out of View). See Engine Oil0234.
5. Engine Cover 0233.
6. Engine Cooling Fans (Out of View). See Cooling System
0 239.
7. Brake Fluid Reservoir. See Brakes 0246.
8. Engine Coolant Surge Tank and Pressure Cap. See Engine
Coolant 0240.
9. Battery 0248 (Battery Cover
not Shown).
10. Remote Positive (+) Terminal (Battery Cover not Shown).
SeeJump Starting 0281. 11.
Engine Compartment Fuse
Block 0254.
12. Remote Negative (−) Terminal (Out of View). See Jump
Starting 0281.
13. Windshield Washer Fluid Reservoir. See Washer Fluid
0 245.