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GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-13337776) - 2020 - CRC - 8/27/19
52
Seats and Restraints
Seats and
Restraints
Head Restraints
Head Restraints . . . . . . . . . . . . . . . 53
Front Seats
Seat Adjustment . . . . . . . . . . . . . . . 54
Center Seat . . . . . . . . . . . . . . . . . . . . 55
Power Seat Adjustment . . . . . . . . 55
Lumbar Adjustment . . . . . . . . . . . . 56
Reclining Seatbacks . . . . . . . . . . . 56
Memory Seats . . . . . . . . . . . . . . . . . 58
Heated and Ventilated Front
Seats . . . . . . . . . . . . . . . . . . . . . . . . . 60
Rear Seats
Rear Seats . . . . . . . . . . . . . . . . . . . . 62
Heated Rear Seats . . . . . . . . . . . . 63
Seat Belts
Seat Belts . . . . . . . . . . . . . . . . . . . . . 64
How to Wear Seat Belts
Properly . . . . . . . . . . . . . . . . . . . . . . 65
Lap-Shoulder Belt . . . . . . . . . . . . . 67
Seat Belt Use During
Pregnancy . . . . . . . . . . . . . . . . . . . . 69
Seat Belt Extender . . . . . . . . . . . . . 70
Safety System Check . . . . . . . . . . 70
Seat Belt Care . . . . . . . . . . . . . . . . . 70
Replacing Seat Belt System
Parts after a Crash . . . . . . . . . . . 71
Airbag System
Airbag System . . . . . . . . . . . . . . . . . 71
Where Are the Airbags? . . . . . . . 73
When Should an Airbag
Inflate? . . . . . . . . . . . . . . . . . . . . . . . 75
Inflate? . . . . . . . . . . . . . . . . . . . . . . . 75
Restrain? . . . . . . . . . . . . . . . . . . . . . 76
Airbag Inflates? . . . . . . . . . . . . . . 76
Passenger Sensing System . . . 77
Servicing the Airbag-Equipped
Vehicle . . . . . . . . . . . . . . . . . . . . . . . 82
Airbag-Equipped Vehicle . . . . . 82
Airbag System Check . . . . . . . . . . 83
Replacing Airbag System Parts
after a Crash . . . . . . . . . . . . . . . . . 83
Child Restraints
Older Children . . . . . . . . . . . . . . . . . 84
Infants and Young Children . . . . 86
Child Restraint Systems . . . . . . . 88
Where to Put the Restraint . . . . . 90
Lower Anchors and Tethers for
Children (LATCH System) . . . . 91
Parts After a Crash . . . . . . . . . 104
Securing Child Restraints (With
the Seat Belt in the
Rear Seat) . . . . . . . . . . . . . . . . . . 104
the Center Front Seat) . . . . . . 107
Securing Child Restraints (With
the Seat Belt in the Front
Outboard Seat) . . . . . . . . . . . . . 108