trailer GMC SAVANA 2021 Service Manual

GMC Savana Owner Manual (GMNA-Localizing-U.S./Canada-14583543) -
2021 - crc - 7/10/20
Service and Maintenance 249
Because of the way people use vehicles,
maintenance needs vary. There may need to
be more frequent checks and services. The
Additional Required Services - Normal are for
vehicles that:
.Carry passengers and cargo within
recommended limits on the Tire and
Loading Information label. SeeVehicle
Load Limits 0131.
.Are driven on reasonable road surfaces
within legal driving limits.
.Use the recommended fuel. See
Recommended Fuel 0158.
Refer to the information in the Maintenance
Schedule Additional Required Services -
Normal chart.
The Additional Required Services - Severe are
for vehicles that are:
.Mainly driven in heavy city traffic in hot
weather
.Mainly driven in hilly or mountainous
terrain
.Frequently towing a trailer
.Used for high speed or competitive
driving
.Used for taxi, police, or delivery service Refer to the information in the Maintenance
Schedule Additional Required Services -
Severe chart.
{Warning
Performing maintenance work can be
dangerous and can cause serious injury.
Perform maintenance work only if the
required information, proper tools, and
equipment are available. If they are not,
see your dealer to have a trained
technician do the work. See
Doing Your
Own Service Work 0179.
Maintenance Schedule
Owner Checks and Services
Check the engine oil level. See Engine Oil
0 184.
Once a Month
.Check the tire inflation pressures,
including the spare. See Tire Pressure
0 216.
.Inspect the tires for wear. See Tire
Inspection 0220.
.Check the windshield washer fluid level.
See Washer Fluid 0196.
Engine Oil Change
When the CHANGE ENGINE OIL SOON
message displays, have the engine oil and
filter changed within the next 1 000 km
(600 mi). If driven under the best conditions,
the engine oil life system may not indicate
the need for vehicle service for up to a year.
The engine oil and filter must be changed at
least once a year and the oil life system
must be reset. Your trained dealer technician
can perform this work. If the engine oil life
system is reset accidentally, service the
vehicle within 5 000 km (3,000 mi) since the
last service. Reset the oil life system when
the oil is changed. See Engine Oil Life
System 0186.
Extended Idle Use
When the vehicle is used in a way that
requires extended idle time, one hour of use
shall be deemed the same as 53 km (33 mi).
See Driver Information Center (DIC) 081 for
hourmeter.
Air Conditioning Desiccant (Replace Every
Seven Years)
The air conditioning system requires
maintenance every seven years. This service
requires replacement of the desiccant to

GMC Savana Owner Manual (GMNA-Localizing-U.S./Canada-14583543) -
2021 - crc - 7/10/20
286 Index
Lights (cont'd)Antilock Brake System (ABS)
Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Brake System Warning . . . . . . . . . . . . . . . . . 77
Charging System . . . . . . . . . . . . . . . . . . . . . . . 76
Check Engine (Malfunction Indicator) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Cruise Control . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Engine Oil Pressure . . . . . . . . . . . . . . . . . . . . . 80
Flash-to-Pass . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
High-Beam On . . . . . . . . . . . . . . . . . . . . . . . . . . 81
High/Low Beam Changer . . . . . . . . . . . . . . . 91
Lane Departure Warning . . . . . . . . . . . . . . . . 79
Low Fuel Warning . . . . . . . . . . . . . . . . . . . . . . 80
Seat Belt Reminders . . . . . . . . . . . . . . . . . . . . 74
Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
StabiliTrak OFF . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Tire Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Tow/Haul Mode . . . . . . . . . . . . . . . . . . . . . . . . 78
Traction Control System (TCS)/StabiliTrak . . . . . . . . . . . . . . . . . . . . . . 79
Locking Rear Axle . . . . . . . . . . . . . . . . . . . . . . . . 148
Locks Automatic Door . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Cargo Door Relocking . . . . . . . . . . . . . . . . . . . . 11
Delayed Locking . . . . . . . . . . . . . . . . . . . . . . . . . 12
Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Lockout Protection . . . . . . . . . . . . . . . . . . . . . . . 12 Locks (cont'd)
Power Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Loss of Control . . . . . . . . . . . . . . . . . . . . . . . . . . .128
Low Fuel Warning Light . . . . . . . . . . . . . . . . . . 80
Lower Anchors and Tethers for Children (LATCH System) . . . . . . . . . . . . . . . . .52
M
Maintenance
Records . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 257
Maintenance and Care
Additional . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 253
Maintenance Schedule . . . . . . . . . . . . . . . . . . . 249 Recommended Fluids andLubricants . . . . . . . . . . . . . . . . . . . . . . . . . . . . 255
Malfunction Indicator Lamp . . . . . . . . . . . . . . . 76
Manual Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Manual Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . 144
Manual Windows . . . . . . . . . . . . . . . . . . . . . . . . . .19
Media Avoiding Untrusted Devices . . . . . . . . . . . . 104
Messages Engine Power . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Vehicle Speed . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
Mirrors Convex . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Mirrors (cont'd)
Folding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Heated . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Manual Rearview . . . . . . . . . . . . . . . . . . . . . . . 19
Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Trailer Tow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Mirrors, Interior Rearview . . . . . . . . . . . . . . . . . .19
Monitor System, Tire Pressure . . . . . . . . . . . . 217
Multi-band Antenna . . . . . . . . . . . . . . . . . . . . . 104
N
Navigation Connected Services . . . . . . . . . . . . . . . . . . . . 278
New Vehicle Break-In . . . . . . . . . . . . . . . . . . . . .134
Noise Control System . . . . . . . . . . . . . . . . . . . . 199
O
Odometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 Trip . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Off-Road Recovery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
Oil Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184
Engine Oil Life System . . . . . . . . . . . . . . . . . 186
Engine Oil Pressure Gauge . . . . . . . . . . . . . . 72
Pressure Light . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Older Children, Restraints . . . . . . . . . . . . . . . . . 46
Online Owner Center . . . . . . . . . . . . . . . . . . . . 264

GMC Savana Owner Manual (GMNA-Localizing-U.S./Canada-14583543) -
2021 - crc - 7/10/20
Index 289
Storage AreasFront . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Storage Compartments . . . . . . . . . . . . . . . . . . . 63
Stuck Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
Sun Visors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Swing-out Windows . . . . . . . . . . . . . . . . . . . . . . 20
Switches Airbag On-Off . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
System Forward Collision Alert (FCA) . . . . . . . . . . . 154
Infotainment . . . . . . . . . . . . . . . . . . . . . . . 96, 272
Noise Control . . . . . . . . . . . . . . . . . . . . . . . . . . 199
Systems Driver Assistance . . . . . . . . . . . . . . . . . . . . . . 150
T
Taillamps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 203
Text Telephone (TTY) Users . . . . . . . . . . . . . . 264
Theft-Deterrent Systems . . . . . . . . . . . . . . . . . . .16Immobilizer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 211 All-Season . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 211
Buying New Tires . . . . . . . . . . . . . . . . . . . . . . 222
Chains . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 226
Changing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 228
Designations . . . . . . . . . . . . . . . . . . . . . . . . . . . 213 Tires (cont'd)
Different Size . . . . . . . . . . . . . . . . . . . . . . . . . . 224
Full-Size Spare . . . . . . . . . . . . . . . . . . . . . . . . . 235
If a Tire Goes Flat . . . . . . . . . . . . . . . . . . . . . 226
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220
Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 216
Pressure Light . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Pressure Monitor Operation . . . . . . . . . . . . 217
Pressure Monitor System . . . . . . . . . . . . . . . 217
Rotation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220
Sidewall Labeling . . . . . . . . . . . . . . . . . . . . . . 212
Terminology and Definitions . . . . . . . . . . . 214
Uniform Tire Quality Grading . . . . . . . . . . 224
Wheel Alignment and Tire Balance . . . . 225
Wheel Replacement . . . . . . . . . . . . . . . . . . . . 225
When It Is Time for New Tires . . . . . . . . . 222
Winter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 212
Top Tier Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157
Tow/Haul Mode . . . . . . . . . . . . . . . . . . . . . . . . . .145
Tow/Haul Mode Light . . . . . . . . . . . . . . . . . . . . 78
Towing Driving Characteristics . . . . . . . . . . . . . . . . . 160
Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172
General Information . . . . . . . . . . . . . . . . . . . 160
Recreational Vehicle . . . . . . . . . . . . . . . . . . . 239
Trailer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164
Trailer Sway Control (TSC) . . . . . . . . . . . . . . 175
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 239 Traction
Control System (TCS)/StabiliTrak
Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Traction Control/Electronic Stability Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .147
Trademarks and License Agreements . . . . . . 117
Trailer Sway Control (TSC) . . . . . . . . . . . . . . . . . . . . . 175
Tow Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Towing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164
Transmission
Automatic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142
Fluid, Automatic . . . . . . . . . . . . . . . . . . 186, 189
Transportation Program, Courtesy . . . . . . . 267
Trip Odometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Turn and Lane-Change Signals . . . . . . . . . . . . 92U
Uniform Tire Quality Grading . . . . . . . . . . . . 224
Using This Manual . . . . . . . . . . . . . . . . . . . . . . . . . .2
V
Vehicle Alarm System . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Canadian Owners . . . . . . . . . . . . . . . . . . . . . . . . . 1
Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127
Identification Number (VIN) . . . . . . . . . . . . 258
Load Limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85