Page 237 of 349

Chevrolet Sonic Owner Manual (GMNA-Localizing-U.S./Canada-11373973) -
2018 - crc - 10/9/17
236 Vehicle Care
SeeCalifornia Proposition
65 Warning 0215 and the back
cover.
Vehicle Storage
{Warning
Batteries have acid that can burn
you and gas that can explode.
You can be badly hurt if you are
not careful. See Jump Starting -
North America 0277 for tips on
working around a battery without
getting hurt.
Infrequent Usage: Remove the
black, negative (−) cable from the
battery to keep the battery from
running down.
Extended Storage: Remove the
black, negative (−) cable from the
battery or use a battery trickle
charger.
Starter Switch Check
{Warning
When you are doing this
inspection, the vehicle could
move suddenly. If the vehicle
moves, you or others could be
injured.
1. Before starting this check, be sure there is enough room
around the vehicle.
2. Apply both the parking brake and the regular brake.
Do not use the accelerator
pedal, and be ready to turn off
the engine immediately if it
starts.
3. For automatic transmission vehicles, try to start the engine
in each gear. The vehicle
should start only in P (Park) or
N (Neutral). If the vehicle starts
in any other position, contact
your dealer for service. For manual transmission
vehicles, put the shift lever in
Neutral, push the clutch pedal
down halfway, and try to start
the engine. The vehicle should
start only when the clutch
pedal is pushed down all the
way to the floor. If the vehicle
starts when the clutch pedal is
not pushed all the way down,
contact your dealer for service.
Automatic Transmission
Shift Lock Control
Function Check
{Warning
When you are doing this
inspection, the vehicle could
move suddenly. If the vehicle
moves, you or others could be
injured.
1. Before starting this check, be sure there is enough room
around the vehicle. It should be
parked on a level surface.
Page 247 of 349

Chevrolet Sonic Owner Manual (GMNA-Localizing-U.S./Canada-11373973) -
2018 - crc - 10/9/17
246 Vehicle Care
Mini Fuses Usage15 Front heated seats
16 Fuel system control module 1
17 Canister vent
18 Washer
19* Fuel pump 20 Engine control module 5
21 Fuel system control module 2/Leveling
22 Transmission control module 1/
DC DC converter
24 Engine control module 1
25 Coil
26 Engine control module 4
27 Engine control module 3
28 Engine control module 2 Mini Fuses Usage
29 Injector/Ignition coil
30 Engine control module
31 Air conditioning clutch
32 Transmission control module
33 Horn
34 Front fog lamps
35 Left high-beam headlamp
36 Right high-beam headlamp
* = If equipped J-CaseFuses Usage
1 Front wipers
2 Antilock brake system pump
3 Blower
4 Run/Crank IEC
6 Cooling fan K4 J-Case
Fuses Usage
7 Cooling fan K5
8* SAI pump 9 Electric vacuum pump
10 Start
* = If equipped Relays Usage
RLY 1 Front wiper control
RLY 2* Rear fog lamp RLY 3 Front wiper speed
RLY 4 Rear window defogger
RLY 5 Run/Crank
RLY 6* –/SAI valve
RLY 8* Fuel pump
RLY 9* SAI pump
RLY 10 Cooling fan K3 RLY 11 P/T
RLY 12 Start
Page 248 of 349
Chevrolet Sonic Owner Manual (GMNA-Localizing-U.S./Canada-11373973) -
2018 - crc - 10/9/17
Vehicle Care 247
RelaysUsage
RLY 13 Air conditioning clutch
RLY 14 High-beam headlamps
RLY 15 Cooling fan K1
* = If equipped 1.4L Engine
The vehicle may not be equipped
with all of the fuses, relays, and
features shown. Mini Fuses Usage
1 Antilock brake system valve
2 Sunroof
4* Rear fog lamp 5 Exterior rearview mirror/Power
window switch
6 Automatic occupant
sensing/ROS
7 Passive entry/ Passive start
8 Regulated voltage control
9 Rear wiper
10 –/Intelligent battery
sensor
11 Rear window defogger
12 Electric steering column lock
14 Heated Exterior rearview mirror
Page 249 of 349

Chevrolet Sonic Owner Manual (GMNA-Localizing-U.S./Canada-11373973) -
2018 - crc - 10/9/17
248 Vehicle Care
Mini Fuses Usage15 Front heated seats
16 Fuel system control module 1
17 Canister vent
18 Washer
20 Engine control module 5
21 Fuel system control module 2/Leveling
22 Transmission control module 1/
DC DC converter
24 Engine control module 1
25 Coil
26 Engine control module 4
27 Engine control module 3
28 Engine control module 2
29 Injector/Ignition coil Mini Fuses Usage
30 Engine control module
31 Air conditioning clutch
32 Transmission control module
33 Horn
34 Front fog lamps
35 Left high-beam headlamp
36 Right high-beam headlamp
* = If equipped J-CaseFuses Usage
1 Front wipers
2 Antilock brake system pump
3 Blower
4 Run/Crank IEC
5 Power seat
6 Cooling fan K4 J-Case
Fuses Usage
7 Cooling fan K5
9 Electric vacuum pump
10 Start
* = If equipped Relays Usage
RLY 1 Front wiper control
RLY 2* Rear fog lamp
RLY 3 Front wiper speed
RLY 4 Rear defogger
RLY 5 Run/Crank
RLY 9 Cooling fan K2
RLY 10 Cooling fan K3 RLY 11 P/T
RLY 12 Start
RLY 13 Air conditioning clutch
Page 298 of 349

Chevrolet Sonic Owner Manual (GMNA-Localizing-U.S./Canada-11373973) -
2018 - crc - 10/9/17
Service and Maintenance 297
Maintenance Schedule
Additional Required
Services - Normal12 000 km/7,500 mi
24 000 km/15,000 mi
36 000 km/22,500 mi
48 000 km/30,000 mi
60 000 km/37,500 mi
72 000 km/45,000 mi
84 000 km/52,500 mi
96 000 km/60,000 mi
108 000 km/67,500 mi
120 000 km/75,000 mi
132 000 km/82,500 mi
144 000 km/90,000 mi
156 000 km/97,500 mi
168 000 km/105,000 mi 180 000 km/112,500 mi
192 000 km/120,000 mi
204 000 km/127,500 mi
216 000 km/135,000 mi
228 000 km/142,500 mi
240 000 km/150,000 mi
Rotate tires and perform Required Services.
Check engine oil level and oil life percentage.
Change engine oil and filter, if needed.@ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @
Replace passenger compartment air filter. (1)@ @@@@@
Inspect evaporative control system. (2)@ @@
Replace engine air cleaner filter. (3)@@@
Replace spark plugs. Inspect spark plug wires.
(1.8L Engine)@
Replace spark plugs. Inspect spark plug wires.
(1.4L Engine)@ @
Drain and fill engine cooling system. (4)@
Visually inspect accessory drive belts. (5)@
1.8L Engine Only: Replace timing belt, idler
pulley, and timing belt tensioner. (5)@
Replace brake fluid. If equipped with an automatic
transmission. (6)
Replace brake/clutch fluid. If equipped with
manual transmission. (7)
Page 299 of 349

Chevrolet Sonic Owner Manual (GMNA-Localizing-U.S./Canada-11373973) -
2018 - crc - 10/9/17
298 Service and Maintenance
Footnotes—Maintenance
Schedule Additional Required
Services - Normal
(1) Or every two years, whichever
comes first. More frequent
passenger compartment air filter
replacement may be needed if
driving in areas with heavy traffic,
poor air quality, high dust levels,
or environmental allergens.
Passenger compartment air filter
replacement may also be needed if
there is reduced airflow, window
fogging, or odors. Your GM dealer
can help determine when to replace
the filter.
(2) Visually check all fuel and vapor
lines and hoses for proper
attachment, connection, routing, and
condition.
(3) Or every four years, whichever
comes first. If driving in dusty
conditions, inspect the filter at each
oil change or more often as needed.
(4) Or every five years, whichever
comes first. See Cooling System
0 228. (5)
Or every 10 years, whichever
comes first. Inspect for fraying,
excessive cracking, or damage;
replace, if needed.
(6) If equipped with an automatic
transmission, replace brake fluid
every five years. See Brake Fluid
0 234.
(7) If equipped with a manual
transmission, replace brake/clutch
fluid every three years. See Brake
Fluid 0234.
Page 300 of 349

Chevrolet Sonic Owner Manual (GMNA-Localizing-U.S./Canada-11373973) -
2018 - crc - 10/9/17
Service and Maintenance 299
Maintenance Schedule
Additional Required
Services - Severe12 000 km/7,500 mi
24 000 km/15,000 mi
36 000 km/22,500 mi
48 000 km/30,000 mi
60 000 km/37,500 mi
72 000 km/45,000 mi
84 000 km/52,500 mi
96 000 km/60,000 mi
108 000 km/67,500 mi
120 000 km/75,000 mi
132 000 km/82,500 mi
144 000 km/90,000 mi
156 000 km/97,500 mi
168 000 km/105,000 mi 180 000 km/112,500 mi
192 000 km/120,000 mi
204 000 km/127,500 mi
216 000 km/135,000 mi
228 000 km/142,500 mi
240 000 km/150,000 mi
Rotate tires and perform Required Services.
Check engine oil level and oil life percentage.
Change engine oil and filter, if needed.@ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @
Replace passenger compartment air filter. (1)@ @@@@@
Inspect evaporative control system. (2)@ @@
Replace engine air cleaner filter. (3)@@@
Change automatic transmission fluid.@@@
Change manual transmission fluid.@@@
Replace spark plugs. Inspect spark plug wires.
(1.8L Engine)@
Replace spark plugs. Inspect spark plug wires.
(1.4L Engine)@ @
Drain and fill engine cooling system. (4)@
Visually inspect accessory drive belts. (5)@
1.8L Engine Only: Replace timing belt, idler
pulley, and timing belt tensioner. (5)@
Replace brake fluid. If equipped with an automatic
transmission. (6)
Replace brake/clutch fluid. If equipped with
manual transmission. (7)
Page 301 of 349

Chevrolet Sonic Owner Manual (GMNA-Localizing-U.S./Canada-11373973) -
2018 - crc - 10/9/17
300 Service and Maintenance
Footnotes—Maintenance
Schedule Additional Required
Services - Severe
(1) Or every two years, whichever
comes first. More frequent
passenger compartment air filter
replacement may be needed if
driving in areas with heavy traffic,
poor air quality, high dust levels,
or environmental allergens.
Passenger compartment air filter
replacement may also be needed if
there is reduced airflow, window
fogging, or odors. Your GM dealer
can help determine when to replace
the filter.
(2) Visually check all fuel and vapor
lines and hoses for proper
attachment, connection, routing, and
condition.
(3) Or every four years, whichever
comes first. If driving in dusty
conditions, inspect the filter at each
oil change or more often as needed.
(4) Or every five years, whichever
comes first. See Cooling System
0 228. (5)
Or every 10 years, whichever
comes first. Inspect for fraying,
excessive cracking, or damage;
replace, if needed.
(6) If equipped with an automatic
transmission, replace brake fluid
every five years. See Brake Fluid
0 234.
(7) If equipped with a manual
transmission, replace brake/clutch
fluid every three years. See Brake
Fluid 0234.Special Application
Services
.
Severe Commercial Use
Vehicles Only: Lubricate chassis
components every oil change.
. Have underbody flushing service
performed. See "Underbody
Maintenance" in Exterior Care
0 283.