2023 GMC TERRAIN oil pressure

GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-16540740) - 2023 - CRC - 6/16/22
330 Service and Maintenance
suitable service maintenance intervals for
your vehicle, please contact your
authorized GM Dealer.
Extreme service is for vehicles mainly
driven off-road in four-wheel drive or used
in farming, mining, forestry, or snow
plowing.
Additional Required Services—Severe
Service
Every 72 000 km (45,000 mi)
.Change automatic transmission fluid.
Every 75 000 km (120,000 mi)
.Change rear axle fluid, if equipped with
AWD. Do not directly power wash the
transfer case and/or front/rear axle
output seals. High pressure water can
overcome the seals and contaminate the
transfer case fluid. Contaminated fluid will
decrease the life of the transfer case and/
or axles and should be replaced.
Owner Checks and Services
Every Five Years
.Replace brake fluid every five years. See
Brake Fluid 0275. Every Seven Years
.Replace Air Conditioning Desiccant every
seven years. The air conditioning system
requires maintenance every seven years.
This service requires replacement of the
desiccant to help the longevity and
efficient operation of the air conditioning
system. This service can be complex. See
your dealer.
Multi-Point Vehicle
Inspection (MPVI)
A Multi Point Vehicle Inspection (MPVI)
completed by a GM dealer technician is a
maintenance assessment of your vehicle.
The benefit of the MPVI is to identify and
inform the customer of service items that
require immediate attention and those that
may require attention in the future.
The technician will perform the following
checks on your vehicle. For a complete list
of checks, inspections, and services, see your
dealer.
Some items may not apply to your vehicle
and/or region.
Diagnostics
.OnStar active, if equipped
.Service history/recall check
Engine Oil and Filter
.Engine oil
.Oil life monitor
‐
Reset oil life monitor
Exterior Lights
.Visual inspection
Windshield and Wipers
.Visual inspection
Battery
.Battery visual inspection
.Battery test results
.Battery cables and connections
Systems, Fluids, and Visible Leak
Inspection
.Engine oil
.Transmission
.Drive axle
.Transfer case
.Engine cooling system
.Power steering, if equipped

GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-16540740) - 2023 - CRC - 6/16/22
Service and Maintenance 331
.Fuel system
.Windshield washer fluid
Tire Inspection
.Tire pressure, tread depth, and wear
.Rotation, if applicable
.Alignment check, optional
.Reset tire pressure monitor
.Check tire sealant expiration date,
if equipped
.Check spare tire, if equipped
Brakes
.Check brake system
Visible and Functional Inspections
.Seat belt components
.Exhaust system
.Accelerator pedal
.Passenger compartment air filter,
if equipped
.Engine air filter
.Hoses
.Belts
.Shocks and struts
.Steering components
.Axle boots or driveshaft and u-joints
.Compartment lift struts, if equipped
.Floor mats secured, no interference with
pedals
.Horn
.Ignition lock, if equipped
.Starter switch
.Evaporative control system
Lubricate
.Chassis components
Special Application Services
.Severe Commercial Use Vehicles Only:
Lubricate chassis components every oil
change.
.Have underbody flushing service
performed. See "Underbody Maintenance"
in Exterior Care 0319.

GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-16540740) - 2023 - CRC - 6/16/22
356 Connected Services
Ensuring Security
.Change the default passwords for the
Wi-Fi hotspot and myGMC mobile
application. Make these passwords
different from each other and use a
combination of letters and numbers to
increase the security.
.Change the default name of the SSID
(Service Set Identifier). This is your
network’s name that is visible to other
wireless devices. Choose a unique name
and avoid family names or vehicle
descriptions.
Wi-Fi Hotspot (If Equipped)
The vehicle may have a built-in Wi-Fi
hotspot that provides access to the Internet
and web content at 4G LTE speed. Up to
seven mobile devices can be connected.
A data plan is required. Use the in-vehicle
controls only when it is safe to do so. 1. To retrieve Wi-Fi hotspot information, press
=to open the OnStar app on the
infotainment display, then select Wi-Fi
Hotspot. On some vehicles, touch Wi-Fi
or Wi-Fi Settings on the screen.
2. The Wi-Fi settings will display the Wi-Fi hotspot name (SSID), password, and on
some vehicles, the connection type (no Internet connection, 3G, 4G, 4G LTE), and
signal quality (poor, good, excellent). The
LTE icon shows connection to Wi-Fi. It is
possible that the icon may not illuminate
even though the vehicle has an active
connection.
3. To change the SSID or password, press
Qor call 1-888-4ONSTAR to connect
with an Advisor. On some vehicles, the
SSID and password can be changed in
the Wi-Fi Hotspot menu.
After initial set-up, your vehicle’s Wi-Fi
hotspot will connect automatically to your
mobile devices. Manage data usage by
turning Wi-Fi on or off on your mobile
device, using the myGMC mobile app, or by
contacting an OnStar Advisor. On some
vehicles, Wi-Fi can also be managed from
the Wi-Fi Hotspot menu.
MyGMC Mobile App (If Available)
Download the myGMC mobile app to
compatible Apple and Android smartphones.
GMC users can access the following services
from a smartphone:
.Remotely start/stop the vehicle,
if factory-equipped.
.Lock/unlock doors, if equipped with
automatic locks.
.Activate the horn and lamps.
.Check the vehicle’s fuel level, oil life,
or tire pressure, if factory-equipped with
the Tire Pressure Monitor System.
.Send destinations to the vehicle.
.Locate the vehicle on a map (U.S.
market only).
.Turn the vehicle's Wi-Fi hotspot on/off,
manage settings, and monitor data
consumption, if equipped.
.Locate a dealer and schedule service.
.Request Roadside Assistance.
.Set a parking reminder with pin drop,
take a photo, make a note, and set a
timer.
.Connect with GMC on social media.
Features are subject to change. For myGMC
mobile app information and compatibility,
see my.gmc.com.
An active OnStar or connected service plan
may be required. A compatible device,
factory-installed remote start, and power
locks are required. Data rates apply. See
www.onstar.com for details and system
limitations.

GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/-
Mexico-16540740) - 2023 - CRC - 6/16/22
Index 361
Drive SystemsAll-Wheel Drive . . . . . . . . . . . . . . . . . . . . 211, 277
Driver Assistance Systems . . . . . . . . . . . . . . . . . . . . 232
Behavior . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 186
Information Center (DIC) . . . . . . . . . . . 108, 112
Mode Control . . . . . . . . . . . . . . . . . . . . . . . . . . 218
Mode Control Light . . . . . . . . . . . . . . . . . . . . 105
Teen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168
Driving Assistance Systems . . . . . . . . . . . . . . . . . . . . 239
Better Fuel Economy . . . . . . . . . . . . . . . . . . . 187
Characteristics and Towing Tips . . . . . . . . 252
Defensive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187
Distracted . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187
Environment . . . . . . . . . . . . . . . . . . . . . . . . . . . 186
Hill and Mountain Roads . . . . . . . . . . . . . . 193
If the Vehicle is Stuck . . . . . . . . . . . . . . . . . 195
Impaired . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188
Loss of Control . . . . . . . . . . . . . . . . . . . . . . . . 189
Off-Road . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 190
Off-Road Recovery . . . . . . . . . . . . . . . . . . . . . 189
Vehicle Load Limits . . . . . . . . . . . . . . . . . . . . 196
Wet Roads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193
Winter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 194
Driving the Vehicle . . . . . . . . . . . . . . . . . . . . . . . . .2
Dual Automatic Climate Control System . . . . 180E
ElectricBrake Boost . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 211
Parking Brake . . . . . . . . . . . . . . . . . . . . . . . . . . 212
Parking Brake Light . . . . . . . . . . . . . . . . . . . . 103
Electrical Equipment, Add-On . . . . . . . . . . . . . . . . . . . . 259
System Overload . . . . . . . . . . . . . . . . . . . . . . 282
Electrical System Engine Compartment Fuse Block . . . . . . . 284
Fuses and Circuit Breakers . . . . . . . . . . . . . 283
Instrument Panel Fuse Block . . . . . . . . . . . 286
Rear Compartment Fuse Block . . . . . . . . . 288
Emergency
OnStar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 351
Engine Air Cleaner/Filter . . . . . . . . . . . . . . . . . . . . . . 268
Air Filter Life System . . . . . . . . . . . . . . . . . . 268
Check Light (Malfunction Indicator) . . . . 101
Compartment Overview . . . . . . . . . . . . . . . . 264
Coolant Temperature Gauge . . . . . . . . . . . . 97
Cooling System . . . . . . . . . . . . . . . . . . . . . . . . 270
Drive Belt Routing . . . . . . . . . . . . . . . . . . . . . 338
Exhaust . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207
Heater . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 204
Oil Life System . . . . . . . . . . . . . . . . . . . . . . . . 267
Oil Pressure Light . . . . . . . . . . . . . . . . . . . . . . 106
Oil Temperature Gauge . . . . . . . . . . . . . . . . . 96 Engine (cont'd)
Overheating . . . . . . . . . . . . . . . . . . . . . . . . . . . 273
Power Messages . . . . . . . . . . . . . . . . . . . . . . . . 119
Running While Parked . . . . . . . . . . . . . . . . . 207
Starting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201
Entry Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . .128
Equipment, Towing . . . . . . . . . . . . . . . . . . . . . . 257
Event Data Recorders . . . . . . . . . . . . . . . . . . . . 349
Exit Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
Extended Parking . . . . . . . . . . . . . . . . . . . . . . . . 207
Extender, Seat Belt . . . . . . . . . . . . . . . . . . . . . . . 47
Exterior Lamp Controls . . . . . . . . . . . . . . . . . . . . . . . . . 123
Lighting Battery Saver . . . . . . . . . . . . . . . . . 129
F
FilterEngine Air Cleaner . . . . . . . . . . . . . . . . . . . . . 268
Flash-to-Pass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
Flashers, Hazard Warning . . . . . . . . . . . . . . . . 126
Flat Tire . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 306 Changing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 307
Floor Mats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 326
Fluid Automatic Transmission . . . . . . . . . . . . . . . 268
Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 275
Washer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 274

GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/-
Mexico-16540740) - 2023 - CRC - 6/16/22
364 Index
Lights (cont'd)Engine Oil Pressure . . . . . . . . . . . . . . . . . . . . 106
Front Fog Lamp . . . . . . . . . . . . . . . . . . . . . . . . 107
Gauges and Indicators . . . . . . . . . . . . . . . . . . 87
High-Beam On . . . . . . . . . . . . . . . . . . . . . . . . . 107
Hill Descent Control . . . . . . . . . . . . . . . . . . . 104
Lane Keep Assist . . . . . . . . . . . . . . . . . . . . . . . 104
Low Fuel Warning . . . . . . . . . . . . . . . . . . . . . 106
Seat Belt Reminders . . . . . . . . . . . . . . . . . . . . 98
Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
Service Electric Parking Brake . . . . . . . . . . 103
StabiliTrak OFF . . . . . . . . . . . . . . . . . . . . . . . . . 105
Tire Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
Traction Control System
(TCS)/StabiliTrak . . . . . . . . . . . . . . . . . . . . . 105
Traction Off . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
Locks Automatic Door . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Delayed Locking . . . . . . . . . . . . . . . . . . . . . . . . . 17
Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Lockout Protection . . . . . . . . . . . . . . . . . . . . . . 18
Power Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Loss of Control . . . . . . . . . . . . . . . . . . . . . . . . . . 189
Low Fuel Warning Light . . . . . . . . . . . . . . . . . 106
Lower Anchors and Tethers for Children (LATCH System) . . . . . . . . . . . . . . . . 65
Lumbar Adjustment . . . . . . . . . . . . . . . . . . . . . . . .35 Lumbar Adjustment (cont'd)
Front Seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
M
Maintenance
Records . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 334
Maintenance Schedule . . . . . . . . . . . . . . . . . . . 328 Recommended Fluids and
Lubricants . . . . . . . . . . . . . . . . . . . . . . . . . . . . 332
Malfunction Indicator Lamp . . . . . . . . . . . . . . .101
Manual Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 211
Map Data Updates . . . . . . . . . . . . . . . . . . . . . . . .154
Maps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146
Media Avoiding Untrusted Devices . . . . . . . . . . . . 140
Memory Seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35
Messages
Engine Power . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
Vehicle Speed . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
Mirrors
Automatic Dimming . . . . . . . . . . . . . . . . . . . . 26
Automatic Dimming Rearview . . . . . . . . . . 26
Convex . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Folding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Heated . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Interior Rearview . . . . . . . . . . . . . . . . . . . . . . . 26 Mirrors (cont'd)
Manual Rearview . . . . . . . . . . . . . . . . . . . . . . . 26
Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Tilt in Reverse . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Mode Driver Control . . . . . . . . . . . . . . . . . . . . . . . . . 218
Monitor System, Tire Pressure . . . . . . . . . . . 296
Multi-band Antenna . . . . . . . . . . . . . . . . . . . . . 139
Multi-Point Vehicle Inspection (MPVI) . . . . 330
N
Navigation
Connected Services . . . . . . . . . . . . . . . . . . . . 355
Destination . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147
Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146
Using the System . . . . . . . . . . . . . . . . . . . . . . 143
Net, Convenience . . . . . . . . . . . . . . . . . . . . . . . . . 78
New Vehicle Break-In . . . . . . . . . . . . . . . . . . . . 199
O
Odometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95 Trip . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Off-Road Driving . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 190
Recovery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189
Oil Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 265
Engine Oil Life System . . . . . . . . . . . . . . . . . 267

GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/-
Mexico-16540740) - 2023 - CRC - 6/16/22
Index 365
Oil (cont'd)Pressure Light . . . . . . . . . . . . . . . . . . . . . . . . . 106
Older Children, Restraints . . . . . . . . . . . . . . . . . 59
Online Account . . . . . . . . . . . . . . . . . . . . . . . . . . .341
OnStar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 349 Additional Information . . . . . . . . . . . . . . . . . 351
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 350
OnStar Emergency . . . . . . . . . . . . . . . . . . . . . . . . 351
OnStar Security . . . . . . . . . . . . . . . . . . . . . . . . . . . 351
Outlets Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Overheating, Engine . . . . . . . . . . . . . . . . . . . . . 273
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
Instrument Panel . . . . . . . . . . . . . . . . . . . . . . . . 5
P
ParkAssist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 233, 236
Shifting Into . . . . . . . . . . . . . . . . . . . . . . . . . . . 205
Shifting Out of . . . . . . . . . . . . . . . . . . . . . . . . 206
Parking Brake and P (Park) Mechanism
Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 277
Extended . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207
Over Things That Burn . . . . . . . . . . . . . . . . . 206
Parking Assist
Automatic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 237 Parking or Backing
Assistance Systems . . . . . . . . . . . . . . . . . . . . 233
Passenger Airbag Status Indicator . . . . . . . . . . . . . . . . 100
Compartment Air Filter . . . . . . . . . . . . . . . . 182
Sensing System . . . . . . . . . . . . . . . . . . . . . . . . . 54
Pedestrian Ahead Indicator . . . . . . . . . . . . . . 104
Perchlorate Materials Requirements,
California . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 261
Phone Apple CarPlay and Android Auto . . . . . . . 164
Bluetooth . . . . . . . . . . . . . . . . . . . . . . . . . 159, 160
Port USB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140
Positioning Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153
Power Door Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Outlets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Protection, Battery . . . . . . . . . . . . . . . . . . . . . 129
Retained Accessory (RAP) . . . . . . . . . . . . . . 205
Seat Adjustment . . . . . . . . . . . . . . . . . . . . . . . . 33
Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Pregnancy, Using Seat Belts . . . . . . . . . . . . . . 47
Privacy
Vehicle Data Recording . . . . . . . . . . . . . . . . 348
Problems with Route Guidance . . . . . . . . . . . 153 Program
Courtesy Transportation . . . . . . . . . . . . . . . 344
Prohibited Fuels . . . . . . . . . . . . . . . . . . . . . . . . . 249
Proposition 65 Warning California . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Proposition 65 Warning, California . . . . . . . . 313
Publication Ordering Information . . . . . . . . 346
R
Radiator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 270
Radio AM-FM Radio . . . . . . . . . . . . . . . . . . . . . . . . . . 136
Data System (RDS) . . . . . . . . . . . . . . . . . . . . . 138
Frequency Statement . . . . . . . . . . . . . . . . . . 347
Reception . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139
Satellite . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139
Reading Lamps . . . . . . . . . . . . . . . . . . . . . . . . . . .128
Rear
Cross Traffic Alert (RCTA) System . . . . . . 239
Heated Seats . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Vision Camera (RVC) . . . . . . . . . . . . . . . . . . . 233
Window Washer/Wiper . . . . . . . . . . . . . . . . . 82
Rearview Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . 26 Automatic Dimming . . . . . . . . . . . . . . . . . . . . 26
Reclining Seatbacks . . . . . . . . . . . . . . . . . . . . . . . 34
Recognition
Voice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154