fluids GMC SIERRA 2023 User Guide

GMC Sierra/Sierra Denali 2500 HD/3500 HD Owner Manual (GMNA-
Localizing-U.S./Canada-16504257) - 2023 - CRC - 5/9/22
388 Service and Maintenance
Systems, Fluids, and Visible Leak
Inspection
.Engine oil
.Transmission
.Drive axle
.Transfer case
.Engine cooling system
.Power steering, if equipped
.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
.Vehicles with Dual Wheels: Check dual
wheel nut torque at 160, 1 600, and
10 000 km (100, 1,000, and 6,000 mi) of
driving. Repeat this service whenever a
tire/wheel is serviced or removed.
.Severe Commercial Use Vehicles Only:
Lubricate chassis components every oil
change.
.Have underbody flushing service
performed. See “Underbody Maintenance”
in Exterior Care 0374.

GMC Sierra/Sierra Denali 2500 HD/3500 HD Owner Manual (GMNA-
Localizing-U.S./Canada-16504257) - 2023 - CRC - 5/9/22
Service and Maintenance 389
Recommended Fluids, Lubricants, and Parts
Recommended Fluids and Lubricants
This maintenance section applies to vehicles with a gasoline engine. If the vehicle has a diesel engine, see“Recommended Fluids and Lubricants”
in the Duramax diesel supplement.
Fluids and lubricants identified below by name or specification, including fluids or lubricants not listed here, can be obtained from your dealer.
Usage Fluid/Lubricant
Automatic Transmission (6-Speed Transmission) DEXRON-VI Automatic Transmission Fluid.
Automatic Transmission (10-Speed Transmission) DEXRON ULV Automatic Transmission Fluid.
Chassis Lubrication Chassis lubricant meeting requirements of NLGI #2, Category LB or GC-LB. Engine Coolant 50/50 mixture of clean, drinkable water and use only DEX-COOL coolant. See Cooling System
0 311.
Engine Oil Engine oil meeting the dexos1 specification of the proper SAE viscosity grade. ACDelco dexos1 full synthetic is recommended. See Engine Oil0306.
Front and Rear Axle Driveshaft Splines See your dealer.
Front Axle (Four-Wheel Drive) and Rear Axle See your dealer. Hydraulic Brake System DOT 4 Hydraulic Brake Fluid. See Brake Fluid0318.
Hydraulic Power Steering System GM Power Steering Fluid. See your dealer.

GMC Sierra/Sierra Denali 2500 HD/3500 HD Owner Manual (GMNA-
Localizing-U.S./Canada-16504257) - 2023 - CRC - 5/9/22
Technical Data 393
Vehicle Data
Capacities and Specifications
The following approximate capacities are given in metric and English conversions. SeeRecommended Fluids and Lubricants0389.
If the vehicle has a diesel engine, see the Duramax diesel supplement.
Application Capacities
Metric English
Air Conditioning Refrigerant For the air conditioning system refrigerant type and charge amount, see the refrigerant label under the hood. See yourdealer for more information.
Engine Cooling System* 14.6 L 15.4 qt
Engine Oil with Filter 7.6 L 8.0 qt
Fuel Tank
I2500 Series and 3500 Series Standard Box (Except Double Cab Diesel) 136.3 L 36.0 gal
I2500 Series and 3500 Series Standard Box (Double Cab Diesel) 111.3 L 29.4 gal
I2500 Series and 3500 Series Long Box (Except Regular Cab Diesel) 136.3 L 36.0 gal
I2500 Series and 3500 Series Long Box (Regular Cab Diesel) 106.0 L 28.0 gal

GMC Sierra/Sierra Denali 2500 HD/3500 HD Owner Manual (GMNA-
Localizing-U.S./Canada-16504257) - 2023 - CRC - 5/9/22
422 Index
Lamps (cont'd)Malfunction Indicator (Check
Engine) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120
On Reminder . . . . . . . . . . . . . . . . . . . . . . . . . . 128
Reading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146
Lane Change Alert (LCA) . . . . . . . . . . . . . . . . . . . . . 261
Departure Warning (LDW) . . . . . . . . . . . . . 262
Departure Warning Light . . . . . . . . . . . . . . 124
Lap-Shoulder Belt . . . . . . . . . . . . . . . . . . . . . . . . . .61
LATCH System Replacing Parts after a Crash . . . . . . . . . . . 92
LATCH, Lower Anchors and Tethers for Children . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
LED Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 325
Lighting Entry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146
Exit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146
Illumination Control . . . . . . . . . . . . . . . . . . . 145
LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 325
Task . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144
Lights Airbag Readiness . . . . . . . . . . . . . . . . . . . . . . . 119
Antilock Brake System (ABS)Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
Brake System Warning . . . . . . . . . . . . . . . . 122
Charging System . . . . . . . . . . . . . . . . . . . . . . 120 Lights (cont'd)
Check Engine (Malfunction
Indicator) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120
Cruise Control Light . . . . . . . . . . . . . . . . . . . . 128
Door Ajar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
Driver Mode Control . . . . . . . . . . . . . . . . . . . 125
Electric Parking Brake . . . . . . . . . . . . . . . . . . 122
Electronic Stability Control (ESC), Off . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
Engine Coolant Temperature Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
Engine Oil Pressure . . . . . . . . . . . . . . . . . . . . 126
Four-Wheel-Drive . . . . . . . . . . . . . . . . . . . . . . 123
Front Fog Lamp . . . . . . . . . . . . . . . . . . . . . . . . 128
Gauges and Indicators . . . . . . . . . . . . . . . . . . 111
High-Beam On . . . . . . . . . . . . . . . . . . . . . . . . . . 127
Hill Descent Control . . . . . . . . . . . . . . . . . . . 123
Lane Departure Warning . . . . . . . . . . . . . . . 124
Low Fuel Warning . . . . . . . . . . . . . . . . . . . . . . 127
Seat Belt Reminders . . . . . . . . . . . . . . . . . . . . 118
Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127
Service Electric Parking Brake . . . . . . . . . . 122
Tire Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
Traction Control System
(TCS)/Electronic Stability Control
Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
Traction Off . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124 Lock
Steering Column . . . . . . . . . . . . . . . . . . . . . . . . 35
Locking Rear Axle . . . . . . . . . . . . . . . . . . . . . . . . 244
Locks Automatic Door . . . . . . . . . . . . . . . . . . . . . . . . . 24
Delayed Locking . . . . . . . . . . . . . . . . . . . . . . . . 24
Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Lockout Protection . . . . . . . . . . . . . . . . . . . . . . 25
Power Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Loss of Control . . . . . . . . . . . . . . . . . . . . . . . . . . 207
Low Fuel Warning Light . . . . . . . . . . . . . . . . . . 127
Lower Anchors and Tethers for
Children (LATCH System) . . . . . . . . . . . . . . . . 82
Lumbar Adjustment . . . . . . . . . . . . . . . . . . . . . . . .53 Front Seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
M
Maintenance
Records . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 391
Maintenance Schedule . . . . . . . . . . . . . . . . . . . 385
Recommended Fluids andLubricants . . . . . . . . . . . . . . . . . . . . . . . . . . . . 389
Malfunction Indicator Lamp . . . . . . . . . . . . . . 120
Manual Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 232
Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

GMC Sierra/Sierra Denali 2500 HD/3500 HD Owner Manual (GMNA-
Localizing-U.S./Canada-16504257) - 2023 - CRC - 5/9/22
424 Index
PhoneApple CarPlay and Android Auto . . . . . . . . 181
Bluetooth . . . . . . . . . . . . . . . . . . . . . . . . . . 176, 177
Pickup Conversion to Chassis Cab . . . . . . . . 300
Port USB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158
Positioning
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170
Power Assist Steps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Door Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Outlets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
Protection, Battery . . . . . . . . . . . . . . . . . . . . . 147
Retained Accessory (RAP) . . . . . . . . . . . . . . 227
Seat Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . 51
Steering Fluid . . . . . . . . . . . . . . . . . . . . . . . . . . 315
Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Pregnancy, Using Seat Belts . . . . . . . . . . . . . . 64
Privacy Vehicle Data Recording . . . . . . . . . . . . . . . . 405
Problems with Route Guidance . . . . . . . . . . 170
Program Courtesy Transportation . . . . . . . . . . . . . . . 401
Prohibited Fuels . . . . . . . . . . . . . . . . . . . . . . . . . 264
Proposition 65 Warning
California . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Proposition 65 Warning, California . . . . . . . 367
Publication Ordering Information . . . . . . . . 404
R
Radiator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 311
Radio
AM-FM Radio . . . . . . . . . . . . . . . . . . . . . . . . . . 154
Data System (RDS) . . . . . . . . . . . . . . . . . . . . . . 157
Frequency Statement . . . . . . . . . . . . . . . . . . 404
HD Radio Technology . . . . . . . . . . . . . . . . . . 156
Reception . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157
Satellite . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157
Reading Lamps . . . . . . . . . . . . . . . . . . . . . . . . . . 146
Rear Axle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 321
Camera Mirror . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Cross Traffic Alert (RCTA) System . . . . . . 257
Heated Seats . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Locking Axle . . . . . . . . . . . . . . . . . . . . . . . . . . . 244
Seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
Vision Camera (RVC) . . . . . . . . . . . . . . . . . . . 248
Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Rearview Mirror Truck Bed Camera . . . . . . . . . . . . . . . . . . . . . . 43
Rearview Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . .41
Automatic Dimming . . . . . . . . . . . . . . . . . . . . 41
Reclining Seatbacks . . . . . . . . . . . . . . . . . . . . . . . .52 Recognition
Voice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171
Recommended Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 263
Recommended Fluids and Lubricants . . . . . 389
Records Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . 391
Recreational Vehicle Towing . . . . . . . . . . . . . . 371
Reimbursement Program, GM Mobility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 399
Remote
Keyless Entry (RKE) System . . . . . . . . . . . . . . 12
Keyless Entry (RKE) SystemOperation . . . . . . . . . . . . . . . . . . . . . . . . . . 12, 14
Vehicle Start . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Replacement
Glass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 323
Replacement Parts Airbags . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . 390
Replacing
Airbag System . . . . . . . . . . . . . . . . . . . . . . . . . . 75
LATCH System Parts After a Crash . . . . . . 92
Seat Belt System Parts after a Crash . . . . 65
Reporting Safety Defects
Canadian Government . . . . . . . . . . . . . . . . . 405
General Motors . . . . . . . . . . . . . . . . . . . . . . . . 405
U.S. Government . . . . . . . . . . . . . . . . . . . . . . . 404