
Chevrolet Sonic Owner Manual (GMNA-Localizing-U.S./Canada-10122660) -2017 - crc - 5/13/16
In Brief 13
To r e t u r n t h e s e a t b a c k t o a n u p r i g h tposition:
1. Lift the lever fully withoutapplying pressure to theseatback, and the seatbackreturns to the upright position.
2. Push and pull on the seatbackto make sure it is locked.
SeeReclining Seatbacks055.
Second Row Seats
The rear seatbacks can be foldeddown to increase cargo space.
SeeRear Seats057.
Head Restraint
Adjustment
Do not drive until the head restraintsfor all occupants are installed andadjusted properly.
To a c h i e v e a c o m f o r t a b l e s e a t i n gposition, change the seatbackrecline angle as little as necessarywhile keeping the seat and the headrestraint height in the properposition.
SeeHead Restraints052andSeatAdjustment053.
Safety Belts
Refer to the following sections forimportant information on how to usesafety belts properly:
.Safety Belts059.
.How to Wear Safety BeltsProperly060.
.Lap-Shoulder Belt061.
.Lower Anchors and Tethers forChildren (LATCH System)084.
Passenger Sensing
System
United States
Canada
The passenger sensing systemturns off the front outboardpassenger frontal airbag and kneeairbag under certain conditions. Noother airbag is affected by thepassenger sensing system. SeePassenger Sensing System071.

Chevrolet Sonic Owner Manual (GMNA-Localizing-U.S./Canada-10122660) -2017 - crc - 5/13/16
52 Seats and Restraints
Head Restraints
{Warning
With head restraints that are not
installed and adjusted properly,
there is a greater chance that
occupants will suffer a neck/
spinal injury in a crash. Do not
drive until the head restraints for
all occupants are installed and
adjusted properly.
Front Seats
The front seats have adjustablehead restraints in the outboardseating positions.
Adjust the head restraint so that thetop of the restraint is at the sameheight as the top of the occupant'shead. This position reduces thechances of a neck injury in a crash.
The height of the head restraint canbe adjusted. Pull the head restraintup to raise it. Try to move the headrestraint to make sure that it islocked in place.
To l o w e r t h e h e a d r e s t r a i n t , p r e s sthe button, located on the top of theseatback, and push the headrestraint down. Try to move thehead restraint after the button isreleased to make sure that it islocked in place.
The front seat outboard headrestraints are not removable.

Chevrolet Sonic Owner Manual (GMNA-Localizing-U.S./Canada-10122660) -2017 - crc - 5/13/16
Seats and Restraints 53
Rear Seats
The vehicle's rear seats haveadjustable head restraints in theoutboard seating positions.
The height of the head restraint canbe adjusted. Pull the head restraintup to raise it. Try to move the headrestraint to make sure that it islocked in place.
To l o w e r t h e h e a d r e s t r a i n t , p r e s sthe button, located on the top of theseatback, and push the headrestraint down. Try to move thehead restraint after the button isreleased to make sure that it islocked in place.
If you are installing a child restraintin the rear seat, see“Securing aChild Restraint Designed for theLATCH System”underLowerAnchors and Tethers for Children(LATCH System)084.
Front Seats
Seat Adjustment
Manual Seats
{Warning
Yo u c a n l o s e c o n t r o l o f t h e
vehicle if you try to adjust a driver
seat while the vehicle is moving.
Adjust the driver seat only when
the vehicle is not moving.

Chevrolet Sonic Owner Manual (GMNA-Localizing-U.S./Canada-10122660) -2017 - crc - 5/13/16
74 Seats and Restraints
5. If, after reinstalling the childrestraint and restarting thevehicle, the on indicator is stilllit, turn the vehicle off. Thenslightly recline the vehicleseatback and adjust the seatcushion, if adjustable, to makesure that the vehicle seatbackis not pushing the childrestraint into the seat cushion.Also make sure the childrestraint is not trapped underthe vehicle head restraint.If this happens, adjust the headrestraint. SeeHeadRestraints052.
6. Restart the vehicle.
If the on indicator is still lit, securethe child in the child restraint in arear seat position in the vehicle, andcheck with your dealer.
If the Off Indicator Is Lit for an
Adult-Size Occupant
If a person of adult size is sitting inthe front outboard passenger seat,but the off indicator is lit, it could bebecause that person is not sittingproperly in the seat. Use thefollowing steps to allow the systemto detect that person and enable thefront outboard passenger frontalairbag and knee airbag:
1. Turn the vehicle off.
2. Remove any additional materialfrom the seat, such asblankets, cushions, seatcovers, seat heaters, or seatmassagers.
3. Place the seatback in the fullyupright position.
4. Have the person sit upright inthe seat, centered on the seatcushion, with legs comfortablyextended.
5. Restart the vehicle and havethe person remain in thisposition for two tothree minutes after the onindicator is lit.
{Warning
If the front outboard passenger
airbag is turned off for an
adult-sized occupant, the airbag
will not be able to inflate and help
protect that person in a crash,
resulting in an increased risk of
serious injury or even death. An
adult-sized occupant should not
(Continued)

Chevrolet Sonic Owner Manual (GMNA-Localizing-U.S./Canada-10122660) -2017 - crc - 5/13/16
88 Seats and Restraints
Caution
Do not let the LATCH
attachments rub against the
vehicle’ssafetybelts.Thismay
damage these parts. If necessary,
move buckled safety belts to
avoid rubbing the LATCH
attachments.
Do not fold the rear seatback
when the seat is occupied. Do not
fold the empty rear seat with a
safety belt buckled. This could
damage the safety belt or the
seat. Unbuckle and return the
safety belt to its stowed position,
before folding the seat.
If you need to secure more than onechild restraint in the rear seat, seeWhere to Put the Restraint083.
This system is designed to makethe installation of child restraintseasier. When using lower anchors,do not use the vehicle's safety belts.Instead, use the vehicle's anchorsand child restraint attachments to
secure the restraints. Somerestraints also use another vehicleanchor to secure a top tether.
1. Attach and tighten the lowerattachments to the loweranchors. If the child restraintdoes not have lowerattachments or the desiredseating position does not havelower anchors, secure the childrestraint with the top tether andthe safety belts. Refer to yourchild restraint manufacturerinstructions and theinstructions in this manual.
1.1. Find the lower anchorsfor the desired seatingposition.
1.2. Put the child restraint onthe seat.
For rear outboard seatingpositions, if the headrestraint interferes withthe proper installation ofthe child restraint, thehead restraint may beremoved. See“Head
Restraint Removal andReinstallation”at the endof this section.
1.3. Attach and tighten thelower attachments on thechild restraint to the loweranchors.
2. If the child restraintmanufacturer recommends thatthe top tether be attached,attach and tighten the toptether to the top tether anchor,if equipped. Refer to the childrestraint instructions and thefollowing steps:
2.1. Find the top tetheranchor.
2.2. Open the cover,if equipped, to access thetop tether anchors.
2.3. For hatchback models,remove the cargo coverbefore installing the toptether. The cargo covershould remain off whilethe top tether is in use.

Chevrolet Sonic Owner Manual (GMNA-Localizing-U.S./Canada-10122660) -2017 - crc - 5/13/16
Seats and Restraints 89
2.4. Route and tighten the toptether according to yourchild restraint instructionsand the followinginstructions:
If the position you areusing does not have aheadrest or head restraintand you are using asingle tether, route thetether over the seatback.
If the position you areusing does not have aheadrest or head restraintand you are using a dualtether, route the tetherover the seatback.
If the position you areusing has an adjustableheadrest or head restraintand you are using asingle tether, raise the
headrest or head restraintand route the tetherunder the headrest orhead restraint and inbetween the headrest orhead restraint posts.
If the position you areusing has an adjustableheadrest or head restraintand you are using a dualtether, raise the headrestor head restraint androute the tether under theheadrest or head restraintand around the headrestor head restraint posts.

Chevrolet Sonic Owner Manual (GMNA-Localizing-U.S./Canada-10122660) -2017 - crc - 5/24/16
90 Seats and Restraints
3. Before placing a child in thechild restraint, make sure it issecurely held in place. Tocheck, grasp the child restraintat the LATCH path and attemptto move it side to side andback and forth. There shouldbe no more than 2.5 cm (1 in) ofmovement for properinstallation.
Head Restraint Removal and
Reinstallation
The rear outboard head restraintscan be removed if they interfere withthe proper installation of the childrestraint.
To r e m o v e t h e h e a d r e s t r a i n t :
1. Partially fold the seatbackforward. SeeRear Seats057for additional information.
2. Press both buttons on the headrestraint posts at the sametime, and pull up on the headrestraint.
3. Store the head restraint in asecure place.
4. When the child restraint isremoved, reinstall the headrestraint before the seatingposition is used.
{Warning
With head restraints that are not
installed and adjusted properly,
there is a greater chance that
occupants will suffer a neck/
spinal injury in a crash. Do not
drive until the head restraints for
all occupants are installed and
adjusted properly.
To r e i n s t a l l t h e h e a d r e s t r a i n t :