2016 Cadillac SRX Owners Manual

3. Remove the DRL bulb socket from the headlamp assembly.

4. Replace the bulb in the bulb

5.

socket. Install the bulb socket in the headlamp assembly.

6. Connect the electrical

7.

connector. Install the cap with the down arrow pointing down in the back of the headlamp assembly.

8. For the driver side, reinstall the

underhood electrical center cover by latching the three clips.

9. For the passenger side,

reinstall the air filter/cleaner assembly base by pushing to seat. Verify the base is seated securely, then install the engine air filter/cleaner assembly.

Front Turn Signal Lamp (Base and Uplevel) To replace the front turn signal lamp: 1. Remove the turn signal lamp

bulb socket from the headlamp assembly.

2. Remove the turn signal lamp

bulb from the socket.

3. Replace the bulb in the bulb

socket.

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4.

Install the bulb socket in the headlamp assembly.

5. For the driver side, reinstall the

underhood electrical center cover by latching the three clips.

6. For the passenger side,

reinstall the air filter/cleaner assembly base by pushing to seat. Verify the base is seated securely, then install the engine air filter/cleaner assembly.

Turn Signal Lamps To replace one of these bulbs: 1. Open the liftgate. See Liftgate

0 37

ii

2. Remove the push pin (1) on

4. Remove the two screws from

the taillamp cover (2).

the taillamp assembly.

3. Remove the taillamp cover from the lamp assembly by pulling rearward from the top to unfasten the snap tabs.

5. Pull the taillamp assembly

straight back to remove.

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Back-Up Lamps To replace one of these bulbs: 1. Open the liftgate. See Liftgate

0 37

ii

4. Remove the two screws from

the taillamp assembly.

5. Pull the taillamp assembly

straight back to remove.

6. Turn the turn signal lamp bulb

socket counterclockwise to remove it from the taillamp assembly.

7. Pull the bulb straight out from

the socket.

8. Press a new bulb into the

socket, insert it into the taillamp assembly, and turn the bulb socket clockwise until it clicks. 9. Reinstall the taillamp assembly

and tighten the screws.

10. Reinstall the taillamp cover by

snapping it into place.

11. Push the push pin to secure

the taillamp cover.

2. Remove the push pin (1) on

the taillamp cover (2).

3. Remove the taillamp cover from the lamp assembly by pulling rearward from the top to unfasten from the snap tabs.

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License Plate Lamp To replace one of these bulbs: 1. Open the liftgate. See Liftgate

0 37

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6. Disconnect the wiring harness

connector from the back-up bulb/socket assembly.

8.

7. Turn the back-up bulb socket counterclockwise to remove it from the taillamp assembly. Install a new bulb/socket assembly into the taillamp assembly, and turn the bulb/ socket clockwise until it clicks. 9. Reinstall the taillamp assembly

and tighten the screws.

10. Reinstall the taillamp cover by

snapping it into place.

11. Push the push pin to secure

the taillamp cover.

Passenger Side Shown, Driver

Side Similar

2. Push the left end of the lamp

assembly toward the right.

3. Turn the lamp assembly down

to remove it from the liftgate.

4. Turn the bulb socket (1)

counterclockwise to remove it from the lamp assembly (3).

5. Pull the bulb (2) straight out of

the bulb socket.

6. Push the replacement bulb straight into the bulb socket and turn the bulb socket clockwise to install into the lamp assembly.

7. Turn the lamp assembly into the liftgate, engaging the clip side first.

8. Push on the lamp side opposite the clip until the lamp assembly snaps into place.

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Replacement Bulbs

Electrical System

Exterior Lamp

Back-up Lamp

Daytime Running Lamp Headlamp High-Beam Headlamp Low-Beam License Plate Lamp Turn Signal Front Tail/Turn Signal Rear

Bulb

Number Hyperclick

PH16W 7443 ULL

9005LL

H11LL

W5WLL 7444NA

7440

For replacement bulbs not listed here, contact your dealer.

Electrical System Overload The vehicle has fuses and circuit breakers to protect against an electrical system overload. When the current electrical load is too heavy, the circuit breaker opens and closes, protecting the circuit until the current load returns to normal or the problem is fixed. This greatly reduces the chance of circuit overload and fire caused by electrical problems. Fuses and circuit breakers protect power devices in the vehicle. Replace a bad fuse with a new one of the identical size and rating. If there is a problem on the road and a fuse needs to be replaced, the same amperage fuse can be borrowed. Choose some feature of the vehicle that is not needed to use and replace it as soon as possible.

Headlamp Wiring An electrical overload may cause the lamps to go on and off, or in some cases to remain off. Have the headlamp wiring checked right away if the lamps go on and off or remain off. Windshield Wipers If the wiper motor overheats due to heavy snow or ice, the windshield wipers will stop until the motor cools and will then restart. Although the circuit is protected from electrical overload, overload due to heavy snow or ice may cause wiper linkage damage. Always clear ice and heavy snow from the windshield before using the windshield wipers. If the overload is caused by an electrical problem and not snow or ice, be sure to get it fixed.

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Fuses and Circuit Breakers The wiring circuits in the vehicle are protected from short circuits by a combination of fuses and circuit breakers. This greatly reduces the chance of damage caused by electrical problems. To check a fuse, look at the silver-colored band inside the fuse. If the band is broken or melted, replace the fuse. Be sure to replace a bad fuse with a new one of the identical size and rating.

Fuses of the same amperage can be temporarily borrowed from another fuse location, if a fuse goes out. Replace the fuse as soon as possible. To identify and check fuses, circuit breakers, and relays, see Engine Compartment Fuse Block 0 271
Instrument Panel Fuse Block 0 274
and Rear Compartment Fuse Block 0 276

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271

Engine Compartment Fuse Block To remove the fuse block cover, press the clips on the cover and lift it straight up.

Caution

Spilling liquid on any electrical component on the vehicle may damage it. Always keep the covers on any electrical component.

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Engine Compartment Fuse Block

The vehicle may not be equipped with all of the fuses, relays, and features shown. J-Case Fuses

Usage

12
24

Wiper Vacuum Pump Antilock Brake System Pump

J-Case Fuses

Usage

25

26

41
42
45

Rear Electrical Center 1
Rear Electrical Center 2
Cooling Fan 2
Starter Cooling Fan 1

Mini Fuses

10
11
13
14

15
16

17

Usage Engine Control Module Battery Transmission Control Module Battery Engine Control Module Run Crank Post-Catalytic Converter O2 Sensor Pre-Catalytic Converter O2 Sensor Engine Control Module Powertrain Fuel Injectors – Even Fuel Injectors – Odd Washer Heated Steering Wheel Not Used Instrument Cluster/ Malfunction Indicator Lamp/Ignition Air Quality Sensor

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Mini Fuses

Usage

Mini Fuses

Usage

Mini Relays

Usage

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273

18
19

20

30
32

33

35

36

46

47

50
51
52

Not Used Transmission Control Module Run Crank Rear Electrical Center Run Crank Switch Back Light Battery Sense (Regulated Voltage Control) Adaptive Forward Lighting Electronic Brake Control Module Air Conditioning Compressor Clutch Low-Beam Headlamp – Right Low-Beam Headlamp – Left Front Fog Lamps Horn Fuel System Control Module

53
54

55

56

57

65

66
67
68
69
70
71
72

Headlamp Level Sensing Diagnostic Module Ignition High-Beam Headlamp – Right High-Beam Headlamp – Left Ignition Steering Column Lock Trailer Right Stoplamp Trailer Left Stoplamp Spare Spare Spare Spare Spare Spare

13
15

Micro Relays

10
12
14

Powertrain Cooling Fan 2
Cooling Fan 1
Run/Crank

Usage

Vacuum Pump Wiper Control Wiper Speed Starter Cool Fan 3
Low Beam/HID

U Micro Relays

Usage

Air Conditioning Compressor Clutch Not Used

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Instrument Panel Fuse Block

The instrument panel fuse block is located in the center console between the driver and passenger seats. To access the fuses, open the fuse panel door from the passenger side by pulling it out. To reinstall the door, push the door back into its original location. The vehicle may not be equipped with all of the fuses, relays and features shown.

Instrument Panel Fuse Block

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Mini Fuses

Usage

UHP

DISPLY S/ROOF

Display Sunroof Universal Handsfree Phone (If Equipped) Radio Auxiliary Power Outlet – Instrument Panel/Console APO – CNSL Auxiliary Power

RDO APO – IP/CNSL

BCM 1

BCM 4

BCM 7

ONSTAR

Outlet – Floor Console Body Control Module 3
Body Control Module 4
Body Control Module 7
OnStar® System (If Equipped)

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J-Case Fuses BCM 8

Usage

Body Control Module 8

FRT BLWR Front Blower

Relays

Usage

LOGIC RLY/

SHUNT

RAP/

ACCY RLY

Logistics Relay/ Shunt Retained Accessory Power/ Accessory Relay

Breakers HTR DR HTR PAS

Usage

Heated Driver Seat Heated Passenger Seat

ESCL

BCM 6

AIRBAG

Mini Fuses Usage RAIN SNSR Rain Sensor Body Control Module 6
Electronic Steering Column Lock Sensing and Diagnostic Module Data Link Connector Instrument Cluster Steering Wheel Switch Body Control Module 1
Body Control Module 2

WHL SW BCM 3

IPC STR

BCM 2

DLC

AMP/RDO Amplifier/Radio

HVAC

Heating Ventilation & Air Conditioning

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Rear Compartment Fuse Block

The rear compartment fuse block is in the cargo area, on the driver side of the vehicle behind the lower trim panel. To open, turn the latch with a flat bladed tool and pull the trim panel from the edges to fold it down. The vehicle may not be equipped with all of the fuses, relays, and features shown.

Rear Compartment Fuse Block

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Fuses

Usage

AOS MDL Automatic Occupant

Sensing Module AUX PWR Auxiliary Power

Fuses IGN/

THEFT 1

Usage Ignition/Theft 1

IGN/

Ignition/Theft 2

Outlet Body Control Module Theft

* BCM THEFT CAMERA Rear Vision Camera CNSTR VENT DRV

Driver Power Seat

Canister Vent

PWR SEAT

EOCM/ SBZA

EMPTY

FRT

HTD SEAT

FRT

VENT SEAT

FUEL PUMP

External Object Calculating Module/ Side Blind Zone Alert Not Used Front Heated Seats

Front Ventilated Seats Fuel Pump

HTD MIR Heated Mirror

THEFT 2
INFOTMNT Infotainment * L/GATE

LGM LGM LOGIC

Liftgate Liftgate Module Liftgate Module Logic

MIR

MDL TRLR Trailer Module Mirror Window Module Park Brake Module

WDO MDL

PRK

BRK MDL PASS DR WDO SW PASS DR PWR SEAT

PRK

LPS TRLR

Passenger Door Window Switch Passenger/Driver Power Seats Trailer Park Lamps

RDM

Rear Drive Module

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Fuses REAR DEFOG REAR

Usage

Rear Defog

Rear Heated Seats

HTD SEAT REAR/WPR Rear Wiper

RT WDO Right Window RPA MDL Rear Parking Assist

Module

SADS MDL Semi Active

Damping System Module Security Shunt Not Used Spare Fuses

* SEC SHUNT SPARE SPARE FUSES

TRLR

* TRLR EXP Trailer Export Trailer Module Trailer 2
Universal Garage Door Opener

* TRLR 2
UGDO

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Fuses VICS

WNDO

Relays DEFOG REAR * FUEL PUMP LOGIC

Usage

Vehicle Information Communications System (Export) Power Window

Usage Rear Window Defogger Fuel Pump

Logistic Relay (Export)

* RUN RLY Run Relay Not Used Wiper Control

SPARE WPR

CONTRL

*Denotes uplevel content.

Wheels and Tires

Tires Every new GM vehicle has high-quality tires made by a leading tire manufacturer. See the warranty manual for information regarding the tire warranty and where to get service. For additional information refer to the tire manufacturer.

{ Warning

. Poorly maintained and

improperly used tires are dangerous.

. Overloading the tires can

cause overheating as a result of too much flexing. There could be a blowout and a serious crash. See Vehicle Load Limits 0 182

ii

(Continued)

Warning (Continued)

. Underinflated tires pose

the same danger as overloaded tires. The resulting crash could cause serious injury. Check all tires frequently to maintain the recommended pressure. Tire pressure should be checked when the tires are cold.

. Overinflated tires are more likely to be cut, punctured, or broken by a sudden impact — such as when hitting a pothole. Keep tires at the recommended pressure.

. Worn or old tires can cause a crash. If the tread is badly worn, replace them.

(Continued)

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Warning (Continued)

. Replace any tires that

have been damaged by impacts with potholes, curbs, etc. Improperly repaired tires can cause a crash. Only the dealer or an authorized tire service center should repair, replace, dismount, and mount the tires.

. Do not spin the tires in

excess of 56 km/h (35 mph) on slippery surfaces such as snow, mud, ice, etc. Excessive spinning may cause the tires to explode.

See Tire Pressure for for High-Speed Operation 0 287
inflation pressure adjustment for high-speed driving.

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All-Season Tires This vehicle may come with all-season tires. These tires are designed to provide good overall performance on most road surfaces and weather conditions. Original equipment tires designed to GM's specific tire performance criteria have a TPC specification code molded onto the sidewall. Original equipment all-season tires can be identified by the last two characters of this TPC code, which will be “MS.” Consider installing winter tires on the vehicle if frequent driving on snow or ice-covered roads is expected. All-season tires provide adequate performance for most winter driving conditions, but they may not offer the same level of traction or performance as winter tires on snow or ice-covered roads. See Winter Tires 0 279

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Winter Tires This vehicle was not originally equipped with winter tires. Winter tires are designed for increased

Vehicle Care

279

traction on snow and ice-covered roads. Consider installing winter tires on the vehicle if frequent driving on ice or snow covered roads is expected. See your dealer for details regarding winter tire availability and proper tire selection. Also, see Buying New Tires 0 293
With winter tires, there may be decreased dry road traction, increased road noise, and shorter tread life. After changing to winter tires, be alert for changes in vehicle handling and braking. If using winter tires: . Use tires of the same brand and

ii

tread type on all four wheel positions.

. Use only radial ply tires of the

same size, load range, and speed rating as the original equipment tires.

Winter tires with the same speed rating as the original equipment tires may not be available for H, V, W, Y, and ZR speed rated tires. If winter

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tires with a lower speed rating are chosen, never exceed the tire's maximum speed capability.

Summer Tires This vehicle may come with high performance summer tires. These tires have a special tread and compound that are optimized for maximum dry and wet road performance. This special tread and compound will have decreased performance in cold climates, and on ice and snow. It is recommended that winter tires be installed on the vehicle if frequent driving at temperatures below approximately 5 °C (40 °F) or on ice or snow covered roads is expected. See Winter Tires 0 279

ii

Caution

High performance summer tires have rubber compounds that lose flexibility and may develop surface cracks in the tread area at temperatures below −7 °C

(Continued)

Caution (Continued)

(20 °F). Always store high performance summer tires indoors and at temperatures above −7 °C (20 °F) when not in use. If the tires have been subjected to −7 °C (20 °F) or less, let them warm up in a heated space to at least 5 °C (40 °F) for 24 hours or more before being installed or driving a vehicle on which they are installed. Do not apply heat or blow heated air directly on the tires. Always inspect tires before use. See Tire Inspection 0 291

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Tire Sidewall Labeling Useful information about a tire is molded into its sidewall. The examples show a typical passenger vehicle tire and a compact spare tire sidewall.

Passenger (P-Metric) Tire Example (1) Tire Size : The tire size is a combination of letters and numbers used to define a particular tire's width, height, aspect ratio, construction type, and service description. See the “Tire Size” illustration later in this section. (2) TPC Spec (Tire Performance Criteria Specification) : Original equipment tires designed to GM's specific tire performance criteria have a TPC specification code molded onto the sidewall.

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GM's TPC specifications meet or exceed all federal safety guidelines. (3) DOT (Department of Transportation) : The Department of Transportation (DOT) code indicates that the tire is in compliance with the U.S. Department of Transportation Motor Vehicle Safety Standards. DOT Tire Date of Manufacture : The last four digits of the TIN indicate the tire manufactured date. The first two digits represent the week (01– 52) and the last two digits, the year. For example, the third week of the year 2010 would have a four-digit DOT date of 0310. (4) Tire Identification Number (TIN) : The letters and numbers following the DOT (Department of Transportation) code are the Tire Identification Number (TIN).

The TIN shows the manufacturer and plant code, tire size, and date the tire was manufactured. The TIN is molded onto both sides of the tire, although only one side may have the date of manufacture. (5) Tire Ply Material : The type of cord and number of plies in the sidewall and under the tread. (6) Uniform Tire Quality Grading (UTQG) : Tire manufacturers are required to grade tires based on three performance factors: treadwear, traction, and temperature resistance. For more information see Uniform Tire Quality Grading 0 295
(7) Maximum Cold Inflation Load Limit : Maximum load that can be carried and the maximum pressure needed to support that load.

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Compact Spare Tire Example (1) Tire Ply Material : The type of cord and number of plies in the sidewall and under the tread. (2) Temporary Use Only : The compact spare tire or temporary use tire should not be driven at speeds over 80 km/h (50 mph). The compact spare tire is for emergency use when a regular road tire has lost air and gone flat. If the vehicle has a compact spare tire, see Compact Spare Tire 0 313
Flat 0 298

and If a Tire Goes

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(3) Tire Identification Number (TIN) : The letters and numbers following the DOT (Department of Transportation) code are the Tire Identification Number (TIN). The TIN shows the manufacturer and plant code, tire size, and date the tire was manufactured. The TIN is molded onto both sides of the tire, although only one side may have the date of manufacture. (4) Maximum Cold Inflation Load Limit : Maximum load that can be carried and the maximum pressure needed to support that load. (5) Tire Inflation : The temporary use tire or compact spare tire should be inflated to 420 kPa (60 psi). For more information on tire pressure and inflation see Tire Pressure 0 285

ii

(6) Tire Size : A combination of letters and numbers define a tire's width, height, aspect ratio, construction type, and service description. The letter T as the first character in the tire size means the tire is for temporary use only. (7) TPC Spec (Tire Performance Criteria Specification) : Original equipment tires designed to GM's specific tire performance criteria have a TPC specification code molded onto the sidewall. GM's TPC specifications meet or exceed all federal safety guidelines.

Tire Designations

Tire Size The following is an example of a typical passenger vehicle tire size.

(1) Passenger (P-Metric) Tire : The United States version of a metric tire sizing system. The letter P as the first character in the tire size means a passenger vehicle tire engineered to standards set by the U.S. Tire and Rim Association. (2) Tire Width : The three-digit number indicates the tire section width in millimeters from sidewall to sidewall. (3) Aspect Ratio : A two-digit number that indicates the tire height-to-width measurements. For example, if the tire size aspect ratio is 60, as shown in item 3 of the illustration, it would mean that the tire's sidewall is 60 percent as high as it is wide.

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(4) Construction Code : A letter code is used to indicate the type of ply construction in the tire. The letter R means radial ply construction; the letter D means diagonal or bias ply construction; and the letter B means belted-bias ply construction. (5) Rim Diameter : Diameter of the wheel in inches. (6) Service Description : These characters represent the load index and speed rating of the tire. The load index represents the load carrying capacity a tire is certified to carry. The speed rating is the maximum speed a tire is certified to carry a load.

Tire Terminology and Definitions Air Pressure : The amount of air inside the tire pressing outward on each square inch of

the tire. Air pressure is expressed in kPa (kilopascal) or psi (pounds per square inch). Accessory Weight : The combined weight of optional accessories. Some examples of optional accessories are automatic transmission, power windows, power seats, and air conditioning. Aspect Ratio : The relationship of a tire's height to its width. Belt : A rubber coated layer of cords between the plies and the tread. Cords may be made from steel or other reinforcing materials. Bead : The tire bead contains steel wires wrapped by steel cords that hold the tire onto the rim. Bias Ply Tire : A pneumatic tire in which the plies are laid at alternate angles less than 90 degrees to the centerline of the tread.

ii

Cold Tire Pressure : The amount of air pressure in a tire, measured in kPa (kilopascal) or psi (pounds per square inch) before a tire has built up heat from driving. See Tire Pressure 0 285
Curb Weight : The weight of a motor vehicle with standard and optional equipment including the maximum capacity of fuel, oil, and coolant, but without passengers and cargo. DOT Markings : A code molded into the sidewall of a tire signifying that the tire is in compliance with the U.S. Department of Transportation (DOT) Motor Vehicle Safety Standards. The DOT code includes the Tire Identification Number (TIN), an alphanumeric designator which can also identify the tire manufacturer, production plant, brand, and date of production.

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GVWR : Gross Vehicle Weight Rating. See Vehicle Load Limits 0 182
GAWR FRT : Gross Axle Weight Rating for the front axle. See Vehicle Load Limits 0 182
GAWR RR : Gross Axle Weight Rating for the rear axle. See Vehicle Load Limits 0 182
Intended Outboard Sidewall : The side of an asymmetrical tire that must always face outward when mounted on a vehicle. Kilopascal (kPa) : The metric unit for air pressure. Light Truck (LT-Metric) Tire : A tire used on light duty trucks and some multipurpose passenger vehicles. Load Index : An assigned number ranging from 1 to 279
that corresponds to the load carrying capacity of a tire.

Maximum Inflation Pressure : The maximum air pressure to which a cold tire can be inflated. The maximum air pressure is molded onto the sidewall. Maximum Load Rating : The load rating for a tire at the maximum permissible inflation pressure for that tire. Maximum Loaded Vehicle Weight : The sum of curb weight, accessory weight, vehicle capacity weight, and production options weight. Normal Occupant Weight : The number of occupants a vehicle is designed to seat multiplied by 68 kg (150 lb). See Vehicle Load Limits 0 182
Occupant Distribution : Designated seating positions. Outward Facing Sidewall : The side of an asymmetrical tire that has a particular side that faces outward when mounted on a vehicle. The side of the tire that

ii

contains a whitewall, bears white lettering, or bears manufacturer, brand, and/or model name molding that is higher or deeper than the same moldings on the other sidewall of the tire. Passenger (P-Metric) Tire : A tire used on passenger cars and some light duty trucks and multipurpose vehicles. Recommended Inflation Pressure : Vehicle manufacturer's recommended tire inflation pressure as shown on the tire placard. See Tire and Vehicle Pressure 0 285
Load Limits 0 182
Radial Ply Tire : A pneumatic tire in which the ply cords that extend to the beads are laid at 90 degrees to the centerline of the tread. Rim : A metal support for a tire and upon which the tire beads are seated.

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Sidewall : The portion of a tire between the tread and the bead. Speed Rating : An alphanumeric code assigned to a tire indicating the maximum speed at which a tire can operate. Traction : The friction between the tire and the road surface. The amount of grip provided. Tread : The portion of a tire that comes into contact with the road. Treadwear Indicators : Narrow bands, sometimes called wear bars, that show across the tread of a tire when only 1.6 mm (1/16 in) of tread remains. See When It Is Time for New Tires 0 293
UTQGS (Uniform Tire Quality Grading Standards) : A tire information system that provides consumers with ratings for a tire's traction, temperature, and treadwear. Ratings are

ii

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determined by tire manufacturers using government testing procedures. The ratings are molded into the sidewall of the tire. See Uniform Tire Quality Grading 0 295
Vehicle Capacity Weight : The number of designated seating positions multiplied by 68 kg (150 lb) plus the rated cargo load. See Vehicle Load Limits 0 182
Vehicle Maximum Load on the Tire : Load on an individual tire due to curb weight, accessory weight, occupant weight, and cargo weight. Vehicle Placard : A label permanently attached to a vehicle showing the vehicle capacity weight and the original equipment tire size and recommended inflation pressure. See “Tire and Loading Information Label” under Vehicle Load Limits 0 182

ii

Vehicle Care

285

Tire Pressure Tires need the correct amount of air pressure to operate effectively.

Caution

Neither tire underinflation nor overinflation is good. Underinflated tires, or tires that do not have enough air, can result in:

. Tire overloading and

overheating which could lead to a blowout.

. Premature or irregular wear. . Poor handling. . Reduced fuel economy. Overinflated tires, or tires that have too much air, can result in:

. Unusual wear.

(Continued)

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Caution (Continued)

. Poor handling. . Rough ride. . Needless damage from

road hazards.

The Tire and Loading Information label on the vehicle indicates the original equipment tires and the correct cold tire inflation pressures. The recommended pressure is the minimum air pressure needed to support the vehicle's maximum load carrying capacity. See Vehicle Load Limits 0 182
How the vehicle is loaded affects vehicle handling and ride comfort. Never load the vehicle with more weight than it was designed to carry.

ii

When to Check Check the tires once a month or more. Do not forget the compact spare, if the vehicle has one. The cold compact spare tire pressure should be at 420 kPa (60 psi). See Compact Spare Tire 0 313

ii

How to Check Use a good quality pocket-type gauge to check tire pressure. Proper tire inflation cannot be determined by looking at the tire. Check the tire inflation pressure when the tires are cold, meaning the vehicle has not been driven for at least three hours or no more than 1.6 km (1 mi). Remove the valve cap from the tire valve stem. Press the tire gauge firmly onto the valve to get a pressure measurement.

If the cold tire inflation pressure matches the recommended pressure on the Tire and Loading Information label, no further adjustment is necessary. If the inflation pressure is low, add air until the recommended pressure is reached. If the inflation pressure is high, press on the metal stem in the center of the tire valve to release air. Recheck the tire pressure with the tire gauge. Put the valve caps back on the valve stems to keep out dirt and moisture and prevent leaks. Use only valve caps designed for the vehicle by GM. TPMS sensors could be damaged and would not be covered by the vehicle warranty.

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Tire Pressure for High-Speed Operation

{ Warning

Driving at high speeds, 160 km/h (100 mph) or higher, puts additional strain on tires. Sustained high-speed driving causes excessive heat buildup and can cause sudden tire failure. This could cause a crash, and you or others could be killed. Some high-speed rated tires require inflation pressure adjustment for high-speed operation. When speed limits and road conditions allow the vehicle to be driven at high speeds, make sure the tires are rated for high-speed operation, are in excellent condition, and are set to the correct cold tire inflation pressure for the vehicle load.

Vehicles with P235/65R18, P235/ 55R20, or 235/55R20 size tires require inflation pressure adjustment when driving the vehicle at speeds of 160 km/h (100 mph) or higher. Set the cold inflation pressure to the maximum inflation pressure shown on the tire sidewall, or 260 kPa (38 psi), whichever is lower. Return the tires to the recommended cold tire inflation pressure when high-speed driving has ended. See and Tire Vehicle Load Limits 0 182
Pressure 0 285
The maximum load and inflation pressure is molded on the tire sidewall, in small letters, near the rim flange. It will read something like this: Maximum load 690 kg (1521 lbs) 300 kPa (44 psi) Max. Press.

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Tire Pressure Monitor System The Tire Pressure Monitor System (TPMS) uses radio and sensor technology to check tire pressure levels. The TPMS sensors monitor

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the air pressure in your tires and transmit tire pressure readings to a receiver located in the vehicle. Each tire, including the spare (if provided), should be checked monthly when cold and inflated to the inflation pressure recommended by the vehicle manufacturer on the vehicle placard or tire inflation pressure label. (If your vehicle has tires of a different size than the size indicated on the vehicle placard or tire inflation pressure label, you should determine the proper tire inflation pressure for those tires.) As an added safety feature, your vehicle has been equipped with a tire pressure monitoring system (TPMS) that illuminates a low tire pressure telltale when one or more of your tires is significantly under-inflated. Accordingly, when the low tire pressure telltale illuminates, you should stop and check your tires as soon as possible, and inflate them to the proper pressure. Driving on a significantly under-inflated tire causes the tire to overheat and can

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lead to tire failure. Under-inflation also reduces fuel efficiency and tire tread life, and may affect the vehicle's handling and stopping ability. Please note that the TPMS is not a substitute for proper tire maintenance, and it is the driver's responsibility to maintain correct tire pressure, even if under-inflation has not reached the level to trigger illumination of the TPMS low tire pressure telltale. Your vehicle has also been equipped with a TPMS malfunction indicator to indicate when the system is not operating properly. The TPMS malfunction indicator is combined with the low tire pressure telltale. When the system detects a malfunction, the telltale will flash for approximately one minute and then remain continuously illuminated. This sequence will continue upon subsequent vehicle start-ups as long as the malfunction exists. When the malfunction indicator is illuminated, the system may not be able to detect or signal low tire

pressure as intended. TPMS malfunctions may occur for a variety of reasons, including the installation of replacement or alternate tires or wheels on the vehicle that prevent the TPMS from functioning properly. Always check the TPMS malfunction telltale after replacing one or more tires or wheels on your vehicle to ensure that the replacement or alternate tires and wheels allow the TPMS to continue to function properly. See Tire Pressure Monitor Operation 0 288
See Radio Frequency Statement 0 356

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Tire Pressure Monitor Operation This vehicle may have a Tire Pressure Monitor System (TPMS). The TPMS is designed to warn the driver when a low tire pressure condition exists. TPMS sensors are mounted onto each tire and wheel assembly, excluding the spare tire and wheel assembly. The TPMS sensors monitor the air pressure in

the tires and transmits the tire pressure readings to a receiver located in the vehicle.

When a low tire pressure condition is detected, the TPMS illuminates the low tire pressure warning light on the instrument cluster. If the warning light comes on, stop as soon as possible and inflate the tires to the recommended pressure shown on the Tire and Loading Information label. See Vehicle Load Limits 0 182
A message to check the pressure in a specific tire displays in the Driver Information Center (DIC). The low tire pressure warning light and the DIC warning message come on at each ignition cycle until the tires are inflated to the correct inflation pressure. Using the DIC, tire pressure levels can be viewed. For additional information and details

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about the DIC operation and displays see Driver Information Center (DIC) 0 134
The low tire pressure warning light may come on in cool weather when the vehicle is first started, and then turn off as the vehicle is driven. This could be an early indicator that the air pressure is getting low and needs to be inflated to the proper pressure. A Tire and Loading Information label, attached to your vehicle, shows the size of the original equipment tires and the correct inflation pressure for the tires when they are cold. See Vehicle Load , for an example of the Limits 0 182
Tire and Loading Information label and its location. Also see Tire Pressure 0 285
The TPMS can warn about a low tire pressure condition but it does not replace normal tire maintenance. See Tire Inspection 0 291
Tires 0 278

, Tire Rotation 0 292

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Caution

Tire sealant materials are not all the same. A non-approved tire sealant could damage the TPMS sensors. TPMS sensor damage caused by using an incorrect tire sealant is not covered by the vehicle warranty. Always use only the GM approved tire sealant available through your dealer or included in the vehicle.

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Factory-installed Tire Inflator Kits use a GM approved liquid tire sealant. Using non-approved tire sealants could damage the TPMS sensors. See Tire Sealant and Compressor Kit 0 300
information regarding the inflator kit materials and instructions. TPMS Malfunction Light and Message The TPMS will not function properly if one or more of the TPMS sensors are missing or inoperable. When the system detects a malfunction, the low tire warning light flashes for

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about one minute and then stays on for the remainder of the ignition cycle. A DIC warning message also displays. The malfunction light and DIC warning message come on at each ignition cycle until the problem is corrected. Some of the conditions that can cause these to come on are: . One of the road tires has been

replaced with the spare tire. The spare tire does not have a TPMS sensor. The malfunction light and DIC message should go off after the road tire is replaced and the sensor matching process is performed successfully. See “TPMS Sensor Matching Process” later in this section.

. The TPMS sensor matching process was not done or not completed successfully after rotating the tires. The malfunction light and the DIC message should go off after successfully completing the sensor matching process. See "TPMS Sensor Matching Process" later in this section.

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. One or more TPMS sensors are

missing or damaged. The malfunction light and the DIC message should go off when the TPMS sensors are installed and the sensor matching process is performed successfully. See your dealer for service.

. Replacement tires or wheels do not match the original equipment tires or wheels. Tires and wheels other than those recommended could prevent the TPMS from functioning properly. See Buying New Tires 0 293

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. Operating electronic devices or being near facilities using radio wave frequencies similar to the TPMS could cause the TPMS sensors to malfunction.

If the TPMS is not functioning properly it cannot detect or signal a low tire condition. See your dealer for service if the TPMS malfunction light and DIC message comes on and stays on.

TPMS Sensor Matching Process Each TPMS sensor has a unique identification code. The identification code needs to be matched to a new tire/wheel position after rotating the vehicle’s tires or replacing one or more of the TPMS sensors. The TPMS sensor matching process should also be performed after replacing a spare tire with a road tire containing the TPMS sensor. The malfunction light and the DIC message should go off at the next ignition cycle. The sensors are matched to the tire/wheel positions, using a TPMS relearn tool, in the following order: driver side front tire, passenger side front tire, passenger side rear tire, and driver side rear. See your dealer for service or to purchase a relearn tool. A TPMS relearn tool can also be purchased. See Tire Pressure Monitor Sensor Activation Tool at www.gmtoolsandequipment.com or call 1-800-GM TOOLS (1-800-468-6657).

There are two minutes to match the first tire/wheel position, and five minutes overall to match all four tire/wheel positions. If it takes longer, the matching process stops and must be restarted. The TPMS sensor matching process is: 1. Set the parking brake. 2. Place the vehicle power mode

in ON/RUN/START. See Ignition Positions 0 187

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3. Make sure the Tire Pressure

info display option is turned on. The info displays on the DIC can be turned on and off through the Settings menu. See Driver Information Center (DIC) 0 134

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4. Use the five-way DIC control

on the right side of the steering wheel to scroll to the Tire Pressure screen under the DIC info page. See Driver Information Center (DIC) 0 134

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5. Press and hold SEL in the center of the five-way DIC control. The horn sounds twice to signal the receiver is in relearn mode and the TIRE LEARNING ACTIVE message displays on the DIC screen.

6. Start with the driver side

front tire.

7. Place the relearn tool against

the tire sidewall, near the valve stem. Then press the button to activate the TPMS sensor. A horn chirp confirms that the sensor identification code has been matched to this tire and wheel position.

8. Proceed to the passenger side

front tire, and repeat Step 7.

9. Proceed to the passenger side

rear tire, and repeat Step 7.

10. Proceed to the driver side rear

tire, and repeat Step 7. The horn sounds two times to indicate the sensor identification code has been matched to the driver side rear tire, and the TPMS sensor matching process is no longer active. The TIRE LEARNING ACTIVE message on the DIC display screen goes off.

11. Shut the ignition off. 12. Set all four tires to the

recommended air pressure level as indicated on the Tire and Loading Information label.

Tire Inspection We recommend that the tires, including the spare tire, if the vehicle has one, be inspected for signs of wear or damage at least once a month.

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Replace the tire if: . The indicators at three or

more places around the tire can be seen.

. There is cord or fabric

showing through the tire's rubber.

. The tread or sidewall is

cracked, cut, or snagged deep enough to show cord or fabric.

. The tire has a bump, bulge,

or split.

. The tire has a puncture, cut, or other damage that cannot be repaired well because of the size or location of the damage.

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Tire Rotation Tires should be rotated every 12 000 km (7,500 mi). See Maintenance Schedule 0 332
Tires are rotated to achieve a more uniform wear for all tires. The first rotation is the most important. Anytime unusual wear is noticed, rotate the tires as soon as possible, check for proper tire inflation pressure, and check for damaged tires or wheels. If the unusual wear continues after the rotation, check the wheel alignment. See When It Is Time and Wheel for New Tires 0 293
Replacement 0 297

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Check that all wheel nuts are properly tightened. See “Wheel Nut Torque” under Capacities and Specifications 0 344
{ Warning

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Rust or dirt on a wheel, or on the parts to which it is fastened, can make wheel nuts become loose after time. The wheel could come off and cause an accident. When changing a wheel, remove any rust or dirt from places where the wheel attaches to the vehicle. In an emergency, a cloth or a paper towel can be used; however, use a scraper or wire brush later to remove all rust or dirt.

Lightly coat the center of the wheel hub with wheel bearing grease after a wheel change or tire rotation to prevent corrosion or rust build-up. Do not get grease on the flat wheel mounting surface or on the wheel nuts or bolts.

Use this rotation pattern when rotating the tires. Do not include the compact spare tire in the tire rotation. Adjust the front and rear tires to the recommended inflation