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2019 GMC Sierra 1500 Owners Manual - Roof



Roof

    SLIDE Switch
    TILT Switch

If equipped, the sunroof operates when the ignition is on or in ACC/ ACCESSORY, or when Retained Accessory Power (RAP) is active. See Retained Accessory Power (RAP) 0 227.

Slide Switch

Express-Open/Express-Close : To express-open the sunroof, fully press and release I (1). Press and

release I (1) again to stop the movement. To express-close the sunroof, fully press and release K (1). Press and release K (1) again to stop the movement.

Open/Close (Manual Mode) : To open the sunroof, press and hold I (1). Release I (1) to stop the

movement. Press and hold K (1) to close the sunroof. Release K

(1) to stop the movement.

Tilt Switch

Vent : From the closed position, press J (2) to vent the sunroof. Press K (2) to close the vent.

When the sunroof is opened, an air deflector will automatically raise.

The air deflector will retract when the sunroof is closed.

The sunroof also has a sunshade, which can be pulled forward to block sun rays. The sunshade must be opened and closed manually.

The sunroof has an automatic reversal system that is only active when the sunroof is operated in express-close mode.

If an object is in the path while express-closing, the reversal system will detect an object, stop, and open the sunroof again.

If frost or other conditions prevent closing, override the feature by closing the sunroof in manual mode. To stop movement, release K (1).

Dirt and debris may collect on the sunroof seal or in the track. This could cause an issue with sunroof operation or noise. It could also plug the water drainage system.

Periodically open the sunroof and remove any obstacles or loose debris. Wipe the sunroof seal and roof sealing area using a clean cloth, mild soap, and water. Do not remove grease from the sunroof tracks.

If water is seen dripping into the water drainage system, this is normal.

Head Restraints 69

Seat Adjustment 70

Center Seat 71

Power Seat Adjustment 71

Lumbar Adjustment 72

Reclining Seatbacks 72

Memory Seats 74

Heated and Ventilated Front

Seats 76

Rear Seats 78

Heated Rear Seats 79

Seat Belts 80

How to Wear Seat Belts

Properly 81

Lap-Shoulder Belt 83

Seat Belt Use During

Pregnancy 85

Seat Belt Extender 85

Safety System Check 85

Seat Belt Care 86

Replacing Seat Belt System

Parts after a Crash 86

Airbag System 87

Where Are the Airbags? 89

When Should an Airbag

Inflate? 90

What Makes an Airbag

Inflate? 91

How Does an Airbag

Restrain? 91

What Will You See after an

Airbag Inflates? 92

Passenger Sensing System 93

Servicing the Airbag-Equipped Vehicle 97

Adding Equipment to the

Airbag-Equipped Vehicle 98

Airbag System Check 99

Replacing Airbag System Parts after a Crash 99

Older Children 100

Infants and Young Children 101

Child Restraint Systems 104

Where to Put the Restraint 105

Lower Anchors and Tethers for Children (LATCH System) 107

Replacing LATCH System

Parts After a Crash 118

Securing Child Restraints (With the Seat Belt in the

Rear Seat) 118

Securing Child Restraints (In

the Center Front Seat) 122

Securing Child Restraints (With the Seat Belt in the Front

Outboard Seat) 122


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