GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-15555988) - 2022 - CRC - 12/3/21
Driving and Operating 277
MeasurementHeight Example 1500 (mm)
H1 1000
H2 1050
H2-H1 50
(H2-H1)/2 25
H2- [(H2-H1)/2] 1025
Towing with the Four Corner Air Suspension
System 1. Adjust the vehicle air suspension to "Normal Ground Clearance Height."
2. Position the truck so that the trailer is ready to connect (Keep trailer detached).
3. Enable air suspension ‘Service Mode’in
the center infotainment screen under
Settings/Vehicle/Suspension.
4. Measure the height of the top of the front wheel opening at the fender to the
ground (H1). 5. Attach the vehicle to the trailer, do not
attach weight distribution bars at
this time.
6. Measure the height of the top of the front wheel opening on the fender to
the ground (H2).
7. Install and adjust the tension in the weight distributing bars per the
manufacturers’ recommendations so that
the height of the front fender is
approximately H2- [(H2-H1)/3]
(1/3 between the two measured ride
heights, below the secondary ride
height {H2}). 8. Disable air suspension air suspension
"Service Mode."
9. Air suspension will automatically adjust ride height following step 8.
10. Visually inspect the trailer and weight-distributing hitch to ensure that
the manufacturers’ recommendations
have been met.
GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./Cana-
da/Mexico-15555988) - 2022 - RegulatoryCompliance - 12/3/21
Index 417
Reclining Seatbacks . . . . . . . . . . . . . . . . . . . . . . . 40
RecognitionVoice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 166
Recommended Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 264
Recommended Fluids and Lubricants . . . . . 383
Records Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . 385
Recreational Vehicle Towing . . . . . . . . . . . . . 361
Reimbursement Program, GM Mobility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 393
Remote Keyless Entry (RKE) System . . . . . . . 8
Remote Vehicle Start . . . . . . . . . . . . . . . . . . . . . . 13
Replacement Glass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 317
Replacement Parts
Airbags . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . 384
Replacing Airbag System . . . . . . . . . . . . . . . . . . 70
Replacing LATCH System Parts after a Crash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
Replacing Seat Belt System Parts after a Crash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Reporting Safety Defects Canadian Government . . . . . . . . . . . . . . . . . 398
General Motors . . . . . . . . . . . . . . . . . . . . . . . . 399
U.S. Government . . . . . . . . . . . . . . . . . . . . . . . 398 Restraints
Where to Put . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Retained Accessory Power (RAP) . . . . . . . . . 209
Reverse Automatic Braking . . . . . . . . . . . . . . . 251
Reverse Tilt Mirrors . . . . . . . . . . . . . . . . . . . . . . . 29
Ride Control Systems Magnetic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227
Roads Driving, Wet . . . . . . . . . . . . . . . . . . . . . . . . . . . 198
Roadside Assistance Program . . . . . . . . . . . . 393
Roof Sunroof . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Roof Rack System . . . . . . . . . . . . . . . . . . . . . . . . . 94
Rotation, Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . 339
Routing, Engine Drive Belt . . . . . . . . . . . . . . . 389
Running the Vehicle While Parked . . . . . . . . 211
S
Safety Defects Reporting Canadian Government . . . . . . . . . . . . . . . . . 398
General Motors . . . . . . . . . . . . . . . . . . . . . . . . 399
U.S. Government . . . . . . . . . . . . . . . . . . . . . . . 398
Safety Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Safety System Check . . . . . . . . . . . . . . . . . . . . . 59
Satellite Radio . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153
Scheduling Appointments . . . . . . . . . . . . . . . . 395
Seat Belts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53 Buckle To Drive . . . . . . . . . . . . . . . . . . . . . . . . . 54 Seat Belts (cont'd)
Care . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Extender . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
How to Wear Seat Belts Properly . . . . . . . 54
Lap-Shoulder Belt . . . . . . . . . . . . . . . . . . . . . . . 56
Reminders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
Replacing after a Crash . . . . . . . . . . . . . . . . . 60
Use During Pregnancy . . . . . . . . . . . . . . . . . . 59
Seats Head Restraints . . . . . . . . . . . . . . . . . . . . . . . . . 37
Heated and Ventilated Front . . . . . . . . . . . . 43
Heated, Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Lumbar Adjustment, Front . . . . . . . . . . . . . . 40
Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Power Adjustment, Front . . . . . . . . . . . . . . . 39
Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Reclining Seatbacks . . . . . . . . . . . . . . . . . . . . . 40
Second Row . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Third Row Seat . . . . . . . . . . . . . . . . . . . . . . . . . 49
Second Row Seats . . . . . . . . . . . . . . . . . . . . . . . . 45
Securing Child Restraints . . . . . . . . . . .85, 87, 89
Security Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
OnStar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 402
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Vehicle Alarm . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189 Accessories and Modifications . . . . . . . . . 296
