
Chevrolet Sonic Owner Manual (GMNA-Localizing-U.S./Canada-10122660) -2017 - crc - 5/13/16
232 Vehicle Care
Caution (Continued)
.Do not mix water withready-to-use washer fluid.Water can cause thesolution to freeze anddamage the washer fluidtank and other parts of thewasher system.
.When using concentratedwasher fluid, follow themanufacturer instructions foradding water.
.Fill the washer fluid tankonly three-quarters full whenit is very cold. This allowsfor fluid expansion iffreezing occurs, which coulddamage the tank if it iscompletely full.
Brakes
Disc brake pads have built-in wearindicators that make a high-pitchedwarning sound when the brake padsare worn and new pads are needed.The sound can come and go or can
be heard all the time when thevehicle is moving, except whenapplying the brake pedal firmly.
{Warning
The brake wear warning sound
means that soon the brakes will
not work well. That could lead to
acrash.Whenthebrakewear
warning sound is heard, have the
vehicle serviced.
Caution
Continuing to drive with worn-out
brake pads could result in costly
brake repair.
Some driving conditions or climatescan cause a brake squeal when thebrakes are first applied or lightlyapplied. This does not meansomething is wrong with the brakes.
Properly torqued wheel nuts arenecessary to help prevent brakepulsation. When tires are rotated,inspect brake pads for wear and
evenly tighten wheel nuts in theproper sequence to torquespecifications. SeeCapacities andSpecifications0304.
Brake pads should be replaced ascomplete sets.
Brake Pedal Travel
See your dealer if the brake pedaldoes not return to normal height,or if there is a rapid increase inpedal travel. This could be a signthat brake service may be required.
Replacing Brake System Parts
Always replace brake system partswith new, approved replacementparts. If this is not done, the brakesmay not work properly. The brakingperformance expected can changein many other ways if the wrongreplacement brake parts areinstalled or if parts are improperlyinstalled.

Chevrolet Sonic Owner Manual (GMNA-Localizing-U.S./Canada-10122660) -2017 - crc - 5/13/16
Vehicle Care 233
Brake Fluid
The brake/clutch master cylinderreservoir is filled with GM approvedDOT 3 brake fluid as indicated onthe reservoir cap. SeeEngineCompartment Overview0217forthe location of the reservoir.
Checking Brake Fluid
Place the vehicle in P (Park) orNeutral with the parking brakeapplied if equipped with a manualtransmission. On a level surface,the brake fluid level should bebetween the minimum andmaximum marks on the brake fluidreservoir.
There are only two reasons why thebrake fluid level in the reservoir maygo down:
.Normal brake lining wear. Whennew linings are installed, thefluid level goes back up.
.Afluidleakinthebrake/clutchhydraulic system. Have thebrake/clutch hydraulic systemfixed. With a leak, the brakes willnot work well.
Always clean the brake fluidreservoir cap and the area aroundthe cap before removing it.
Do not top off the brake/clutch fluid.Adding fluid does not correct a leak.If fluid is added when the linings areworn, there will be too much fluidwhen new brake linings areinstalled. Add or remove fluid, asnecessary, only when work is doneon the brake/clutch hydraulicsystem.
{Warning
If too much brake fluid is added, it
can spill on the engine and burn,
if the engine is hot enough. You
or others could be burned, and
(Continued)
Warning (Continued)
the vehicle could be damaged.
Add brake fluid only when work is
done on the brake/clutch
hydraulic system.
When the brake/clutch fluid falls to alow level, the brake warning lightcomes on. SeeBrake SystemWarning Light011 4.
Brake fluid absorbs water over timewhich degrades the effectiveness ofthe brake fluid. Replace brake fluidat the specified intervals to preventincreased stopping distance. SeeMaintenance Schedule0290.
What to Add
Use only GM approved DOT 3brake fluid from a clean, sealedcontainer. SeeRecommendedFluids and Lubricants0300.

Chevrolet Sonic Owner Manual (GMNA-Localizing-U.S./Canada-10122660) -2017 - crc - 5/13/16
276 Vehicle Care
The jump start negative post andpositive post are on the dischargedbattery on the driver side of thevehicle.
The jump start positive post andnegative post are on the battery ofthe vehicle providing the jump start.
The positive jump start connectionfor the discharged battery is under atrim cover. Open the cover toexpose the terminal.
1. Check the other vehicle.It must have a 12-volt batterywith a negative ground system.
Caution
If the other vehicle does not have
a12-voltsystemwithanegative
ground, both vehicles can be
damaged. Only use a vehicle that
has a 12-volt system with a
negative ground for jump starting.
2. Position the two vehicles sothat they are not touching.
3. Set the parking brake firmlyand put the shift lever inP(Park) with an automatictransmission, or Neutral with amanual transmission. SeeShifting Into Park (AutomaticTr a n s m i s s i o n )0187with anautomatic transmission, orParking0189with a manualtransmission.
Caution
If any accessories are left on or
plugged in during the jump
starting procedure, they could be
damaged. The repairs would not
be covered by the vehicle
warranty. Whenever possible, turn
off or unplug all accessories on
either vehicle when jump starting.
4. Turn the ignition to LOCK/OFF.Turn off all lights andaccessories in both vehicles,except the hazard warningflashers if needed.
{Warning
An electric fan can start up even
when the engine is not running
and can injure you. Keep hands,
clothing, and tools away from any
underhood electric fan.
{Warning
Using a match near a battery can
cause battery gas to explode.
People have been hurt doing this,
and some have been blinded.
Use a flashlight if you need more
light.
Battery fluid contains acid that
can burn you. Do not get it on
you. If you accidentally get it in
your eyes or on your skin, flush
the place with water and get
medical help immediately.

Chevrolet Sonic Owner Manual (GMNA-Localizing-U.S./Canada-10122660) -2017 - crc - 5/13/16
280 Vehicle Care
Dolly Towing from the Front
The vehicle can be towed from thefront using a dolly. To tow thevehicle using a dolly:
1. Attach the dolly to the towvehicle following the dollymanufacturer's instructions.
2. Drive the front wheels onto thedolly.
3. Put an automatic transmissionin P (Park) or a manualtransmission into 1 (First) gear.
4. Set the parking brake andremove the key.
5. Clamp the steering wheel in astraight-ahead position with aclamping device designed fortowing.
6. Secure the vehicle to the dolly.
7. Release the parking brake.
Dolly Towing from the Rear
Caution
To w i n g t h e v e h i c l e f r o m t h e r e a r
could damage it. Also, repairs
would not be covered by the
vehicle warranty. Never have the
vehicle towed from the rear.
Appearance Care
Exterior Care
Locks
Locks are lubricated at the factory.Use a de-icing agent only whenabsolutely necessary, and have thelocks greased after using. SeeRecommended Fluids andLubricants0300.
Washing the Vehicle
To p r e s e r v e t h e v e h i c l e ' s f i n i s h ,wash it often and out of directsunlight.
Caution
Do not use petroleum-based,
acidic, or abrasive cleaning
agents as they can damage the
vehicle's paint, metal, or plastic
parts. If damage occurs, it would
not be covered by the vehicle
warranty. Approved cleaning
products can be obtained from
(Continued)

Chevrolet Sonic Owner Manual (GMNA-Localizing-U.S./Canada-10122660) -2017 - crc - 5/13/16
Service and Maintenance 297
Additional
Maintenance and Care
Yo u r v e h i c l e i s a n i m p o r t a n tinvestment and caring for it properlymay help to avoid future costlyrepairs. To maintain vehicleperformance, additionalmaintenance services may berequired.
It is recommended that your dealerperform these services—theirtrained dealer technicians knowyour vehicle best. Your dealer canalso perform a thoroughassessment with a multi-pointinspection to recommend when yourvehicle may need attention.
The following list is intended toexplain the services and conditionsto look for that may indicateservices are required.
Battery
The battery supplies power to startthe engine and operate anyadditional electrical accessories.
.To a v o i d b r e a k - d o w n o r f a i l u r e t ostart the vehicle, maintain abattery with full cranking power.
.Trained dealer technicians havethe diagnostic equipment to testthe battery and ensure that theconnections and cables arecorrosion-free.
Belts
.Belts may need replacing if theysqueak or show signs ofcracking or splitting.
.Trained dealer technicians haveaccess to tools and equipmentto inspect the belts andrecommend adjustment orreplacement when necessary.
.Amessagemayindicatewhenscheduled maintenance on thetiming belt and othercomponents is required.
Brakes
Brakes stop the vehicle and arecrucial to safe driving.
.Signs of brake wear may includechirping, grinding, or squealingnoises, or difficulty stopping.
.Trained dealer technicians haveaccess to tools and equipmentto inspect the brakes andrecommend quality partsengineered for the vehicle.
Fluids
Proper fluid levels and approvedfluids protect the vehicle’ssystemsand components. SeeRecommended Fluids andLubricants0300for GM approvedfluids.
.Engine oil and windshieldwasher fluid levels should bechecked at every fuel fill.
.Instrument cluster lights maycome on to indicate that fluidsmay be low and need to befilled.
Hoses
Hoses transport fluids and shouldbe regularly inspected to ensurethat there are no cracks or leaks.With a multi-point inspection, yourdealer can inspect the hoses andadvise if replacement is needed.

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298 Service and Maintenance
Lamps
Properly working headlamps,taillamps, and brake lamps areimportant to see and be seen onthe road.
.Signs that the headlamps needattention include dimming, failureto light, cracking, or damage.The brake lamps need to bechecked periodically to ensurethat they light when braking.
.With a multi-point inspection,your dealer can check the lampsand note any concerns.
Shocks and Struts
Shocks and struts help aid in controlfor a smoother ride.
.Signs of wear may includesteering wheel vibration, bounce/sway while braking, longerstopping distance, or uneventire wear.
.As part of the multi-pointinspection, trained dealertechnicians can visually inspectthe shocks and struts for signs
of leaking, blown seals,or damage, and can advisewhen service is needed.
Tires
Tires need to be properly inflated,rotated, and balanced. Maintainingthe tires can save money and fuel,and can reduce the risk of tirefailure.
.Signs that the tires need to bereplaced include three or morevisible treadwear indicators; cordor fabric showing through therubber; cracks or cuts in thetread or sidewall; or a bulge orsplit in the tire.
.Trained dealer technicians caninspect and recommend the righttires. Your dealer can alsoprovide tire/wheel balancingservices to ensure smoothvehicle operation at all speeds.Yo u r d e a l e r s e l l s a n d s e r v i c e sname brand tires.
Vehicle Care
To h e l p k e e p t h e v e h i c l e l o o k i n g l i k enew, vehicle care products areavailable from your dealer. For
information on how to clean andprotect the vehicle’sinteriorandexterior, seeInterior Care0285andExterior Care0280.
Wheel Alignment
Wheel alignment is critical forensuring that the tires deliveroptimal wear and performance.
.Signs that the alignment mayneed to be adjusted includepulling, improper vehiclehandling, or unusual tire wear.
.Yo u r d e a l e r h a s t h e r e q u i r e dequipment to ensure properwheel alignment.
Windshield
For safety, appearance, and thebest viewing, keep the windshieldclean and clear.
.Signs of damage includescratches, cracks, and chips.
.Trained dealer technicians caninspect the windshield andrecommend proper replacementif needed.

Chevrolet Sonic Owner Manual (GMNA-Localizing-U.S./Canada-10122660) -2017 - crc - 5/13/16
Index 331
IndexA
Accessories and
Modifications . . . . . . . . . . . . . . . . . . 214
Accessory Power . . . . . . . . . . . . . . . 187
Add-On Electrical Equipment . . . 211
Additional Information
OnStar®...................... 326
Additional Maintenance
and Care . . . . . . . . . . . . . . . . . . . . . . 297
Adjustments
Lumbar, Front Seats . . . . . . . . . . . . 54
Agreements
Trademarks and License . . . . . 164
Air Cleaner/Filter, Engine . . . . . . . 224
Air Conditioning . . . . . . . . . . . . . . . . 166
Air Filter, Passenger
Compartment . . . . . . . . . . . . . . . . . 169
Air Intake . . . . . . . . . . . . . . . . . . . . . . . 169
Air Vents . . . . . . . . . . . . . . . . . . . . . . . 168
Airbag System
Check . . . . . . . . . . . . . . . . . . . . . . . . . . 76
How Does an Airbag
Restrain? . . . . . . . . . . . . . . . . . . . . . 70
Passenger Sensing System . . . . 71
What Makes an Airbag
Inflate? . . . . . . . . . . . . . . . . . . . . . . . . 69
What Will You See after an
Airbag Inflates? . . . . . . . . . . . . . . . 70
Airbag System (cont'd)
When Should an Airbag
Inflate? . . . . . . . . . . . . . . . . . . . . . . . . 68
Where Are the Airbags? . . . . . . . . 67
Airbags
Adding Equipment to the
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . 75
Passenger Status Indicator . . . . 111
Readiness Light . . . . . . . . . . . . . . .110
Servicing Airbag-Equipped
Vehicles . . . . . . . . . . . . . . . . . . . . . . . 75
System Check . . . . . . . . . . . . . . . . . . 65
Alarm
Vehicle Security . . . . . . . . . . . . . . . . 44
All-Season Tires . . . . . . . . . . . . . . . . 249
AM-FM Radio . . . . . . . . . . . . . . . . . . . 145
Antenna
Multi-band . . . . . . . . . . . . . . . . . . . . 148
Antilock Brake System (ABS) . . . 195
Warning Light . . . . . . . . . . . . . . . . . . 115
Appearance Care
Exterior . . . . . . . . . . . . . . . . . . . . . . . 280
Interior . . . . . . . . . . . . . . . . . . . . . . . . 285
Apple CarPlay and
Android Auto . . . . . . . . . . . . . . . . . . 161
Armrest
Front Seat . . . . . . . . . . . . . . . . . . . . . . 56

Chevrolet Sonic Owner Manual (GMNA-Localizing-U.S./Canada-10122660) -2017 - crc - 5/13/16
332 Index
Assistance Program,
Roadside . . . . . . . . . . . . . . . . . . . . . . 311
Audio
Theft-Deterrent Feature . . . . . . . 142
Automatic
Door Locks . . . . . . . . . . . . . . . . . . . . . 40
Headlamp System . . . . . . . . . . . . 135
Transmission . . . . . . . . . . . . . . . . . 191
Transmission Fluid . . . . . . . . . . . 223
Automatic Transmission
Manual Mode . . . . . . . . . . . . . . . . . 192
Shift Lock Control Function
Check . . . . . . . . . . . . . . . . . . . . . . . 235
Auxiliary
Devices . . . . . . . . . . . . . . . . . . . . . . . 155
Avoiding Untrusted Media
Devices . . . . . . . . . . . . . . . . . . . . . . . 149
B
Battery
Exterior Lighting Battery
Saver . . . . . . . . . . . . . . . . . . . . . . . 139
Load Management . . . . . . . . . . . . 139
Power Protection . . . . . . . . . . . . . 139
Battery - North America . . . . 234, 275
Blade Replacement, Wiper . . . . . 236
Bluetooth
Overview . . . . . . . . . . . . . . . . 155, 157
Brake
System Warning Light . . . . . . . . .114
Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . 232
Antilock . . . . . . . . . . . . . . . . . . . . . . . 195
Assist . . . . . . . . . . . . . . . . . . . . . . . . . 196
Fluid . . . . . . . . . . . . . . . . . . . . . . . . . . 233
Parking . . . . . . . . . . . . . . . . . . . . . . . 196
Braking . . . . . . . . . . . . . . . . . . . . . . . . . 173
Break-In, New Vehicle . . . . . . . . . . 181
Bulb Replacement . . . . . . . . . . . . . . 241
Fog Lamps . . . . . . . . . . . . . . . . . . . 239
Halogen Bulbs . . . . . . . . . . . . . . . . 238
Headlamp Aiming . . . . . . . . . . . . . 237
Headlamps . . . . . . . . . . . . . . . . . . . 238
Headlamps and Front Turn
Signal . . . . . . . . . . . . . . . . . . . . . . . 238
License Plate Lamps . . . . . . . . . 241
Ta i l l a m p s , T u r n S i g n a l ,
Stoplamps, and Back-up
Lamps . . . . . . . . . . . . . . . . . . . . . . 240
Buying New Tires . . . . . . . . . . . . . . . 263
C
Calibration . . . . . . . . . . . . . . . . . . . . . . 104
California
Fuel Requirements . . . . . . . . . . . 208
California (cont'd)
Perchlorate Materials
Requirements . . . . . . . . . . . . . . . 213
California
Proposition
65 Warning . . . . . . . . . .213, 234, 275
Camera
Rear Vision (RVC) . . . . . . . . . . . . 201
Canadian Vehicle Owners . . . . . . . . 2
Capacities and
Specifications . . . . . . . . . . . . . . . . . 304
Carbon Monoxide
Engine Exhaust . . . . . . . . . . . . . . . 190
Liftgate . . . . . . . . . . . . . . . . . . . . . . . . . 43
Trunk . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Winter Driving . . . . . . . . . . . . . . . . 176
Cargo
Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
Caution, Danger, and Warning . . . . 3
Chains, Tire . . . . . . . . . . . . . . . . . . . . 267
Charging System Light . . . . . . . . . 112
Check
Ignition Transmission Lock . . . 235
Malfunction Indicator
Engine Light . . . . . . . . . . . . . . . . .112
Child Restraints
Infants and Young Children . . . . . 79