immobilizer CHEVROLET TAHOE 2018 Owner's Manual

Chevrolet Tahoe/Suburban Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349385) - 2018 - crc - 11/3/17
30 Keys, Doors, and Windows
Keys, Doors, and
Windows
Keys and Locks
Keys (Key Access) . . . . . . . . . . . . 30
Keys (Keyless Access) . . . . . . . . 33
Remote Keyless Entry (RKE)System . . . . . . . . . . . . . . . . . . . . . . . 34
Remote Keyless Entry (RKE) System Operation (Keyless
Access) . . . . . . . . . . . . . . . . . . . . . . 35
Remote Keyless Entry (RKE) System Operation (Key
Access) . . . . . . . . . . . . . . . . . . . . . . 41
Remote Vehicle Start . . . . . . . . . . 43
Door Locks . . . . . . . . . . . . . . . . . . . . 44
Power Door Locks . . . . . . . . . . . . . 45
Delayed Locking . . . . . . . . . . . . . . . 46
Automatic Door Locks . . . . . . . . . 46
Lockout Protection . . . . . . . . . . . . . 46
Safety Locks . . . . . . . . . . . . . . . . . . . 47
Doors
Liftgate . . . . . . . . . . . . . . . . . . . . . . . . 47
Power Assist Steps . . . . . . . . . . . . 52
Vehicle Security
Vehicle Security . . . . . . . . . . . . . . . . 53
Vehicle Alarm System . . . . . . . . . 53 Immobilizer . . . . . . . . . . . . . . . . . . . . 55
Immobilizer Operation . . . . . . . . . 55
Exterior Mirrors
Convex Mirrors . . . . . . . . . . . . . . . . 56
Power Mirrors . . . . . . . . . . . . . . . . . . 57
Folding Mirrors . . . . . . . . . . . . . . . . . 57
Heated Mirrors . . . . . . . . . . . . . . . . . 58
Blind Spot Mirrors . . . . . . . . . . . . . . 58
Reverse Tilt Mirrors . . . . . . . . . . . . 59
Interior Mirrors
Interior Rearview Mirrors . . . . . . . 59
Manual Rearview Mirror . . . . . . . . 59
Automatic Dimming Rearview
Mirror . . . . . . . . . . . . . . . . . . . . . . . . . 60
Child-View Mirror . . . . . . . . . . . . . . 60
Windows
Windows . . . . . . . . . . . . . . . . . . . . . . . 60
Power Windows . . . . . . . . . . . . . . . 60
Sun Visors . . . . . . . . . . . . . . . . . . . . . 62
Roof
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . 62
Keys and Locks
Keys (Key Access)
{Warning
Leaving children in a vehicle with
an ignition key or Remote
Keyless Entry (RKE) transmitter is
dangerous and children or others
could be seriously injured or
killed. They could operate the
power window or other controls or
make the vehicle move. The
windows will function with the key
in the ignition or with the RKE
transmitter in the vehicle, and
children or others could be caught
in the path of a closing window.
Do not leave children in a vehicle
with the ignition key or an RKE
transmitter.

Chevrolet Tahoe/Suburban Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349385) - 2018 - crc - 11/3/17
Keys, Doors, and Windows 55
power source, and can sound an
alarm if the vehicle’s battery is
compromised.
The inclination sensor can set off
the alarm if it senses movement of
the vehicle, such as a change in
vehicle orientation.
The intrusion sensor monitors the
vehicle interior, and can activate the
alarm if it senses unauthorized entry
into the vehicle’s interior. Do not
allow passengers or pets to remain
in the vehicle when the intrusion
sensor is activated.
Before arming the theft-deterrent
system and activating the intrusion
sensor:
.Make sure all doors and
windows are completely closed.
. Secure any loose items such as
a sunshades.
. Make sure there are no
obstructions blocking the
sensors in the front overhead
console.
. Close DVD screens before
leaving the vehicle.Intrusion and Inclination
Sensors Disable Switch
It is recommended that the intrusion
and inclination sensors be
deactivated if pets are left in the
vehicle or the vehicle is being
transported.
With the vehicle off, press
oin
the front overhead console to turn
off the feature.
The indicator light will come on
momentarily, indicating that these
sensors have been disabled until
the next time the alarm system is
armed.
Immobilizer
See Radio Frequency Statement
0 414.
Immobilizer Operation
This vehicle has a passive
theft-deterrent system.
The system does not have to be
manually armed or disarmed.
The vehicle is automatically
immobilized when the vehicle is
turned off.
The system is automatically
disarmed when the ignition is turned
from off to on.
The security light, in the instrument
cluster, comes on if there is a
problem with arming or disarming
the theft-deterrent system.

Chevrolet Tahoe/Suburban Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349385) - 2018 - crc - 11/3/17
56 Keys, Doors, and Windows
When trying to start the vehicle, the
security light comes on briefly when
the ignition is turned on.
If the engine does not start and the
security light stays on, there is a
problem with the system. Turn the
ignition off and try again.
If the engine still does not start, and
the key appears to be undamaged,
try another ignition key. It may be
necessary to check the fuse. See
Fuses and Circuit Breakers0325.
If the engine still does not start with
the other key, the vehicle needs
service. If the vehicle does start, the
first key may be faulty. See your
dealer.
It is possible for the immobilizer
system to learn new or replacement
keys. Up to eight keys can be
programmed for the vehicle. To
program additional keys, see Keys
(Key Access) 030 orKeys (Keyless
Access) 033. To program additional
transmitters, see your dealer. Do not leave the key or device that
disarms or deactivates the vehicle
theft system in the vehicle.
See your dealer to get a new key
blank cut exactly as the ignition key
that operates the system.Exterior Mirrors
Convex Mirrors
{Warning
A convex mirror can make things,
like other vehicles, look farther
away than they really are. If you
cut too sharply into the right lane,
you could hit a vehicle on the
right. Check the inside mirror or
glance over your shoulder before
changing lanes.
The passenger side mirror is convex
shaped. A convex mirror's surface is
curved so more can be seen from
the driver seat.

Chevrolet Tahoe/Suburban Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349385) - 2018 - crc - 11/3/17
Instruments and Controls 159
When the Light Is On Steady
This indicates that one or more of
the tires are significantly
underinflated.
A Driver Information Center (DIC)
tire pressure message may also
display. Stop as soon as possible,
and inflate the tires to the pressure
value shown on the Tire and
Loading Information label. SeeTire
Pressure 0343.
When the Light Flashes First and
Then Is On Steady
If the light flashes for about a minute
and then stays on, there may be a
problem with the TPMS. If the
problem is not corrected, the light
will come on at every ignition cycle.
See Tire Pressure Monitor
Operation 0346.Low Fuel Warning Light
This light is near the fuel gauge and
comes on briefly when the ignition is
turned on as a check to show it is
working.
It also comes on when the fuel tank
is low on fuel. The light turns off
when fuel is added. If it does not,
have the vehicle serviced.
Security Light
The security light should come on
briefly as the engine is started. If it
does not come on, have the vehicle serviced by your dealer. If the
system is working normally, the
indicator light turns off.
If the light stays on and the engine
does not start, there could be a
problem with the theft-deterrent
system. See
Immobilizer Operation
0 55.
High-Beam On Light
This light comes on when the
high-beam headlamps are in use.
See Headlamp High/Low-Beam
Changer 0183.

Chevrolet Tahoe/Suburban Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349385) - 2018 - crc - 11/3/17
Index 435
Headlamps (cont'd)High-Beam On Light . . . . . . . . . . 159
High/Low Beam Changer . . . . . 183
Lamps On Reminder . . . . . . . . . 160
Heated Rear Seats . . . . . . . . . . . . . . . . . . . . . 74
Steering Wheel . . . . . . . . . . . . . . . 133
Heated and Ventilated Front Seats . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Heated Mirrors . . . . . . . . . . . . . . . . . . . 58
Heater Engine . . . . . . . . . . . . . . . . . . . . . . . . 222
Heating . . . . . . . . . . . . . . . . . . . . 192, 196
High-Beam On Light . . . . . . . . . . . . 159
High-Speed Operation . . . . . . . . . . 344
Hill and Mountain Roads . . . . . . . . 210
Hill Descent Control (HDC) . . . . . 244
Hill Descent Control Light . . . . . . . 157
Hill Start Assist (HSA) . . . . . . . . . . 241
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . 292
Horn . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133
How to Wear Seat Belts Properly . . . . . . . . . . . . . . . . . . . . . . . . 84
HVAC . . . . . . . . . . . . . . . . . . . . . . 192, 196I
Ignition Positions . . . . . . . . . . 217, 219
Ignition Transmission Lock Check . . . . . . . . . . . . . . . . . . . . . . . . . 317
Immobilizer . . . . . . . . . . . . . . . . . . . . . . 55
Indicator
Vehicle Ahead . . . . . . . . . . . . . . . . 157
Infants and Young Children, Restraints . . . . . . . . . . . . . . . . . . . . . 107
Infotainment . . . . . . . . . . . . . . . . . . . . 191
Infotainment System . . . . . . . . . . . . 417
Instrument Cluster . . . . . . . . . . . . . . 143
Instrument Panel Storage Area . . . . . . . . . . . . . . . . . 127
Instrument Panel Overview . . . . . . . 6
Interior Rearview Mirrors . . . . . . . . . 59
Introduction . . . . . . . . . . . . . . . . . . . . . . . 2
J
Jump Starting - North America . . . . . . . . . . . . . . . . . . . . . . . 368
K
Keyless EntryRemote (RKE) System . . . . . 35, 41
Keys . . . . . . . . . . . . . . . . . . . . . . . . . 30, 33
L
Labeling, Tire Sidewall . . . . . . . . . . 338 Lamps
Auxiliary Roof
Mounted Lamp . . . . . . . . . . . . . . 186
Daytime Running (DRL) . . . . . . 184
Dome . . . . . . . . . . . . . . . . . . . . . . . . . 187
Exterior Controls . . . . . . . . . . . . . . 181
Exterior Lamps Off Reminder . . . . . . . . . . . . . . . . . . . 183
Exterior Lighting Battery Saver . . . . . . . . . . . . . . . . . . . . . . . 189
Front Turn Signal . . . . . . . . . . . . . 322
License Plate . . . . . . . . . . . . . . . . . 324
Malfunction Indicator
(Check Engine) . . . . . . . . . . . . . 153
On Reminder . . . . . . . . . . . . . . . . . 160
Reading . . . . . . . . . . . . . . . . . . . . . . 188
Lane Change Alert (LCA) . . . . . . . 263
Lane Departure Warning (LDW) . . . . . . . . . . . . . . . . 264
Lane Keep Assist (LKA) . . . . . . . . 265
Lane Keep Assist Light . . . . . . . . . 157
Lap Belt . . . . . . . . . . . . . . . . . . . . . . . . . 90
Lap-Shoulder Belt . . . . . . . . . . . . . . . 85
LATCH System Replacing Parts after a
Crash . . . . . . . . . . . . . . . . . . . . . . . 120
LATCH, Lower Anchors and Tethers for Children . . . . . . . . . . . 112

Chevrolet Tahoe/Suburban Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349385) - 2018 - crc - 11/3/17
440 Index
TaillampsBulb Replacement . . . . . . . . . . . . 322
Text Telephone (TTY) Users . . . . 407
Theft-Deterrent Systems . . . . . . . . . 55 Immobilizer . . . . . . . . . . . . . . . . . . . . . 55
Third-Row Seats . . . . . . . . . . . . . . . . . 79
Throttle, Adjustable . . . . . . . . . . . . . 217
Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . 336 All-Season . . . . . . . . . . . . . . . . . . . . 337
All-Terrain . . . . . . . . . . . . . . . . . . . . 338
Buying New Tires . . . . . . . . . . . . . 352
Chains . . . . . . . . . . . . . . . . . . . . . . . . 356
Changing . . . . . . . . . . . . . . . . . . . . . 359
Designations . . . . . . . . . . . . . . . . . 339
Different Size . . . . . . . . . . . . . . . . . 353
Full-Size Spare . . . . . . . . . . . . . . . 367
If a Tire Goes Flat . . . . . . . . . . . . 357
Inspection . . . . . . . . . . . . . . . . . . . . 350
Low Profile . . . . . . . . . . . . . . . . . . . 338
Pressure . . . . . . . . . . . . . . . . . 343, 344
Pressure Light . . . . . . . . . . . . . . . . 158
Pressure Monitor Operation . . 346
Pressure Monitor System . . . . . 345
Rotation . . . . . . . . . . . . . . . . . . . . . . 350
Sidewall Labeling . . . . . . . . . . . . . 338
Terminology and Definitions . . 340 Tires (cont'd)
Uniform Tire Quality
Grading . . . . . . . . . . . . . . . . . . . . . 354
Wheel Alignment and Tire
Balance . . . . . . . . . . . . . . . . . . . . . 355
Wheel Replacement . . . . . . . . . . 355
When It Is Time for New Tires . . . . . . . . . . . . . . . . . . . . . . . . 351
Winter . . . . . . . . . . . . . . . . . . . . . . . . 337
Tow/Haul Mode . . . . . . . . . . . . . . . . . 233
Tow/Haul Mode Light . . . . . . . . . . . 156
Towing Driving Characteristics . . . . . . . . 271
Equipment . . . . . . . . . . . . . . . . . . . . 278
General Information . . . . . . . . . . 271
Recreational Vehicle . . . . . . . . . . 372
Trailer . . . . . . . . . . . . . . . . . . . . . . . . 274
Trailer Sway Control (TSC) . . . 286
Vehicle . . . . . . . . . . . . . . . . . . . . . . . 372
Traction Control System (TCS)/StabiliTrak Light . . . . . . . . . . . . . 158
Off Light . . . . . . . . . . . . . . . . . . . . . . 157
Traction Control/Electronic Stability Control . . . . . . . . . . . . . . . 242
Trailer Sway Control (TSC) . . . . . . . . . . 286
Towing . . . . . . . . . . . . . . . . . . . . . . . . 274 Transfer Case . . . . . . . . . . . . . . . . . . 234
Transmission
Automatic . . . . . . . . . . . . . . . . . . . . . 228
Fluid, Automatic . . . . . . . . . 301, 304
Transportation Program, Courtesy . . . . . . . . . . . . . . . . . . . . . . 410
Trip Odometer . . . . . . . . . . . . . . . . . . 147
Turn and Lane-Change
Signals . . . . . . . . . . . . . . . . . . . . . . . . 185
Turn Signal Bulb Replacement . . . . . . . . . . . . 322
U
Uniform Tire Quality Grading . . . 354
Universal Remote System . . . . . . 178
Operation . . . . . . . . . . . . . . . . . . . . . 180
Programming . . . . . . . . . . . . . . . . . 178
Using This Manual . . . . . . . . . . . . . . . . 2
V
Vehicle Alarm System . . . . . . . . . . . . . . . . . . 53
Canadian Owners . . . . . . . . . . . . . . . 2
Control . . . . . . . . . . . . . . . . . . . . . . . 202
Identification Number (VIN) . . . 401
Load Limits . . . . . . . . . . . . . . . . . . . 212
Messages . . . . . . . . . . . . . . . . . . . . 169
Personalization . . . . . . . . . . . . . . . 170
Remote Start . . . . . . . . . . . . . . . . . . . 43