
Chevrolet Tahoe/Suburban Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-13566622) - 2020 - CRC - 4/15/19
Instruments and Controls 115
Instruments and
Controls
Controls
Steering Wheel Adjustment . . . 116
Steering Wheel Controls . . . . . . 117
Heated Steering Wheel . . . . . . . 117
Horn . . . . . . . . . . . . . . . . . . . . . . . . . . 117
Windshield Wiper/Washer . . . . 117
Rear Window Wiper/Washer . . . . . . . . . . . . . . . . . . . . . . 119
Compass . . . . . . . . . . . . . . . . . . . . . 120
Clock . . . . . . . . . . . . . . . . . . . . . . . . . 120
Power Outlets . . . . . . . . . . . . . . . . 121
Wireless Charging . . . . . . . . . . . . 123
Warning Lights, Gauges, and
Indicators
Warning Lights, Gauges, and Indicators . . . . . . . . . . . . . . . . . . . 126
Instrument Cluster . . . . . . . . . . . . 127
Speedometer . . . . . . . . . . . . . . . . . 131
Odometer . . . . . . . . . . . . . . . . . . . . . 131
Trip Odometer . . . . . . . . . . . . . . . . 131
Tachometer . . . . . . . . . . . . . . . . . . . 131
Fuel Gauge . . . . . . . . . . . . . . . . . . . 132
Engine Oil Pressure
Gauge . . . . . . . . . . . . . . . . . . . . . . 133 Engine Coolant Temperature
Gauge . . . . . . . . . . . . . . . . . . . . . . 134
Voltmeter Gauge . . . . . . . . . . . . . 134
Seat Belt Reminders . . . . . . . . . 135
Airbag Readiness Light . . . . . . . 136
Passenger Airbag Status Indicator . . . . . . . . . . . . . . . . . . . . 136
Charging System Light . . . . . . . 137
Malfunction Indicator Lamp (Check Engine Light) . . . . . . . . 137
Brake System Warning Light . . . . . . . . . . . . . . . . . . . . . . . . 139
Antilock Brake System (ABS) Warning Light . . . . . . . . . . . . . . . 140
Tow/Haul Mode Light . . . . . . . . . 140
Hill Descent Control Light . . . . 141
Lane Keep Assist (LKA) Light . . . . . . . . . . . . . . . . . . . . . . . . 141
Vehicle Ahead Indicator . . . . . . 141
Traction Off Light . . . . . . . . . . . . . 141
StabiliTrak OFF Light . . . . . . . . . 142
Traction Control System (TCS)/ StabiliTrak Light . . . . . . . . . . . . . 142
Tire Pressure Light . . . . . . . . . . . 142
Low Fuel Warning Light . . . . . . 143
Security Light . . . . . . . . . . . . . . . . . 143
High-Beam On Light . . . . . . . . . . 143
Front Fog Lamp Light . . . . . . . . . 144
Lamps On Reminder . . . . . . . . . 144
Cruise Control Light . . . . . . . . . . 144 Door Ajar Light . . . . . . . . . . . . . . . 144
Information Displays
Driver Information Center (DIC)
(Base Level) . . . . . . . . . . . . . . . . 145
Driver Information Center (DIC) (Uplevel) . . . . . . . . . . . . . . . . . . . . 147
Head-Up Display (HUD) . . . . . . 150
Vehicle Messages
Vehicle Messages . . . . . . . . . . . . 153
Engine Power Messages . . . . . 154
Vehicle Speed Messages . . . . . 154
Vehicle Personalization
Vehicle Personalization . . . . . . . 154
Universal Remote System
Universal Remote System . . . . 163
Universal Remote System Programming . . . . . . . . . . . . . . . 163
Universal Remote System Operation . . . . . . . . . . . . . . . . . . . 165

Chevrolet Tahoe/Suburban Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-13566622) - 2020 - CRC - 4/15/19
Lighting 175
Exit Lighting
Some exterior lamps and interior
lamps come on when the key is
removed from the ignition. The
exterior and interior lamps remain
on for a set amount of time, then
automatically turn off.
If equipped with Keyless Access,
the exterior lamps automatically turn
on when the driver door is opened
after the ignition is turned off. The
interior lights turn on when the
ignition is turned off.
The exterior lamps turn off
immediately by turning the exterior
lamp control off.
This feature can be changed. See
Vehicle Personalization0154.
Battery Load
Management
The vehicle has Electric Power
Management (EPM), which
estimates the battery's temperature and state of charge. It then adjusts
the voltage for best performance
and extended life of the battery.
When the battery's state of charge
is low, the voltage is raised slightly
to quickly bring the charge back up.
When the state of charge is high,
the voltage is lowered slightly to
prevent overcharging. The voltmeter
gauge or the voltage display on the
Driver Information Center (DIC),
if equipped, may show the voltage
moving up or down. This is normal.
If there is a problem, an alert will be
displayed.
The battery can be discharged at
idle if the electrical loads are very
high. This is true for all vehicles.
This is because the generator
(alternator) may not be spinning fast
enough at idle to produce all the
power that is needed for very high
electrical loads.
A high electrical load occurs when
several of the following are on, such
as: headlamps, high beams, foglamps, rear window defogger,
climate control fan at high speed,
heated seats, engine cooling fans,
trailer loads, and loads plugged into
accessory power outlets.
EPM works to prevent excessive
discharge of the battery. It does this
by balancing the generator's output
and the vehicle's electrical needs.
It can increase engine idle speed to
generate more power, whenever
needed. It can temporarily reduce
the power demands of some
accessories.
Normally, these actions occur in
steps or levels, without being
noticeable. In rare cases at the
highest levels of corrective action,
this action may be noticeable to the
driver. If so, a DIC message might
be displayed and it is recommended
that the driver reduce the electrical
loads as much as possible.

Chevrolet Tahoe/Suburban Owner Manual (GMNA-Localizing-U.S./Canada/-
Mexico-13566622) - 2020 - CRC - 4/24/19
Index 429
Brakes . . . . . . . . . . . . . . . . . . . . . . . . 308
Four-Wheel DriveTransfer Case . . . . . . . . . . . . . . . 222
Washer . . . . . . . . . . . . . . . . . . . . . . . 306
Fog Lamps . . . . . . . . . . . . . . . . . . . . . 172 Bulb Replacement . . . . . . . . . . . . 316
Folding Mirrors . . . . . . . . . . . . . . . . . . 37
Forward Collision Alert
(FCA) System . . . . . . . . . . . . . . . . . 248
Four-Wheel Drive . . . . . . . . . . 222, 310
Frequency Statement Radio . . . . . . . . . . . . . . . . . . . . . . . . . 410
Front Axle . . . . . . . . . . . . . . . . . . . . . . 310
Front Fog Lamp Light . . . . . . . . . . . . . . . . . . . . . . . . . . 144
Front Seats
Adjustment . . . . . . . . . . . . . . . . . . . . . 46
Heated and Ventilated . . . . . . . . . . 53
Front Turn Signal Lamps . . . . . . . 316
Fuel Additives . . . . . . . . . . . . . . . . . . . . . 258
Economy, Driving for Better . . . 187
Filling a Portable Fuel
Container . . . . . . . . . . . . . . . . . . . 261
Filling the Tank . . . . . . . . . . . . . . . 259
Foreign Countries . . . . . . . . . . . . 258
Gauge . . . . . . . . . . . . . . . . . . . . . . . . 132
Low Fuel Warning Light . . . . . . . 143 Management, Active . . . . . . . . . . 214
Prohibited Fuels . . . . . . . . . . . . . . 257
Recommended . . . . . . . . . . . . . . . 257
Top Tier . . . . . . . . . . . . . . . . . . . . . . 256
Full-Size Spare Tire . . . . . . . . . . . . 362
Fuses Engine Compartment Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . 320
Fuses and Circuit Breakers . . . 319
Instrument Panel Fuse Block . . . . . . . . . . . . . . . . . . . 324, 327
Rear Compartment Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . 329
G
Garage Door Opener . . . . . . . . . . . 163Programming . . . . . . . . . . . . . . . . . 163
Gas Strut(s) . . . . . . . . . . . . . . . . . . . . 314
Gauges Engine CoolantTemperature . . . . . . . . . . . . . . . . 134
Engine Oil Pressure . . . . . . . . . . 133
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . 132
Odometer . . . . . . . . . . . . . . . . . . . . . 131
Speedometer . . . . . . . . . . . . . . . . . 131
Tachometer . . . . . . . . . . . . . . . . . . . 131
Trip Odometer . . . . . . . . . . . . . . . . 131
Voltmeter . . . . . . . . . . . . . . . . . . . . . 134 Warning Lights and
Indicators . . . . . . . . . . . . . . . . . . . 126
General Information Service and Maintenance . . . . . 381
Towing . . . . . . . . . . . . . . . . . . . . . . . . 262
Vehicle Care . . . . . . . . . . . . . . . . . . 284
Glass Replacement . . . . . . . . . . . . . 313
Glove Box . . . . . . . . . . . . . . . . . . . . . . 110
GM Mobility Reimbursement
Program . . . . . . . . . . . . . . . . . . . . . . . 404
H
Halogen Bulbs . . . . . . . . . . . . . . . . . . 315
Hazard Warning Flashers . . . . . . . 171
Head Restraints . . . . . . . . . . . . . . . . . 45
Head-up Display . . . . . . . . . . . . . . . . 150
Headlamps . . . . . . . . . . . . . . . . . . . . . 316Aiming . . . . . . . . . . . . . . . . . . . . . . . . 315
Automatic . . . . . . . . . . . . . . . . . . . . . 170
Bulb Replacement . . . . . . . . . . . . 315
Daytime RunningLamps (DRL) . . . . . . . . . . . . . . . . 170
Flash-to-Pass . . . . . . . . . . . . . . . . . 170
High Intensity Discharge (HID) Lighting . . . . . . . . . . . . . . . 315
High-Beam On Light . . . . . . . . . . 143
High/Low Beam Changer . . . . . 169
Lamps On Reminder . . . . . . . . . 144

Chevrolet Tahoe/Suburban Owner Manual (GMNA-Localizing-U.S./Canada/-
Mexico-13566622) - 2020 - CRC - 4/24/19
Index 431
LightingEntry . . . . . . . . . . . . . . . . . . . . . . . . . 174
Exit . . . . . . . . . . . . . . . . . . . . . . . . . . . 175
Illumination Control . . . . . . . . . . . 173
LED . . . . . . . . . . . . . . . . . . . . . . . . . . 315
Lights Airbag Readiness . . . . . . . . . . . . . 136
Antilock Brake System
(ABS) Warning . . . . . . . . . . . . . . 140
Brake System Warning . . . . . . . 139
Charging System . . . . . . . . . . . . . 137
Check Engine (Malfunction Indicator) . . . . . . . . . . . . . . . . . . . . 137
Cruise Control . . . . . . . . . . . . . . . . 144
Door Ajar . . . . . . . . . . . . . . . . . . . . . 144
Flash-to-Pass . . . . . . . . . . . . . . . . . 170
Front Fog Lamp . . . . . . . . . . . . . . 144
High-Beam On . . . . . . . . . . . . . . . . 143
High/Low Beam Changer . . . . . 169
Hill Descent Control . . . . . . . . . . 141
Lane Keep Assist . . . . . . . . . . . . . 141
Low Fuel Warning . . . . . . . . . . . . 143
Seat Belt Reminders . . . . . . . . . . 135
Security . . . . . . . . . . . . . . . . . . . . . . 143
StabiliTrak OFF . . . . . . . . . . . . . . . 142
Tire Pressure . . . . . . . . . . . . . . . . . 142
Tow/Haul Mode . . . . . . . . . . . . . . . 140 Traction Control System
(TCS)/StabiliTrak . . . . . . . . . . . . 142
Traction Off . . . . . . . . . . . . . . . . . . . 141
Locking Rear Axle . . . . . . . . . . . . . . 232
Locks Automatic Door . . . . . . . . . . . . . . . . . 25
Delayed Locking . . . . . . . . . . . . . . . . 25
Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Lockout Protection . . . . . . . . . . . . . . 26
Power Door . . . . . . . . . . . . . . . . . . . . . 25
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Loss of Control . . . . . . . . . . . . . . . . . 190
Low Fuel Warning Light . . . . . . . . . 143
Low-Profile Tires . . . . . . . . . . . . . . . . 332
Lower Anchors and Tethers for Children (LATCH
System) . . . . . . . . . . . . . . . . . . . . . . . . 94
Lumbar Adjustment . . . . . . . . . . . . . . 48 Front Seats . . . . . . . . . . . . . . . . . . . . . 48
M
Magnetic Ride Control . . . . . . . . . . 232
MaintenanceRecords . . . . . . . . . . . . . . . . . . . . . . 395
Maintenance and Care Additional . . . . . . . . . . . . . . . . . . . . . 389
Maintenance Schedule . . . . . . . . . 383 Recommended Fluids and
Lubricants . . . . . . . . . . . . . . . . . . . 392
Transfer Case . . . . . . . . . . . . . . . . 222
Malfunction Indicator Lamp . . . . . 137
Manual Mode . . . . . . . . . . . . . . . . . . . 219
Memory Seats . . . . . . . . . . . . . . . . . . . 50
Messages Engine Power . . . . . . . . . . . . . . . . 154
Vehicle . . . . . . . . . . . . . . . . . . . . . . . 153
Vehicle Speed . . . . . . . . . . . . . . . . 154
Mirror
Child-View . . . . . . . . . . . . . . . . . . . . . . 40
Mirrors Automatic DimmingRearview . . . . . . . . . . . . . . . . . . . . . . 40
Blind Spot . . . . . . . . . . . . . . . . . . . . . . 38
Convex . . . . . . . . . . . . . . . . . . . . . . . . . 36
Folding . . . . . . . . . . . . . . . . . . . . . . . . . 37
Heated . . . . . . . . . . . . . . . . . . . . . . . . . 38
Manual Rearview . . . . . . . . . . . . . . . 39
Power . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Tilt in Reverse . . . . . . . . . . . . . . . . . . 39
Mirrors, Interior Rearview . . . . . . . . 39
Monitor System, Tire Pressure . . . . . . . . . . . . . . . . . . . . . . 339