2018 CHEVROLET COLORADO check transmission fluid

Chevrolet Colorado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11349743) - 2018 - crc - 10/12/17
368 Service and Maintenance
(2)Or every four years, whichever
comes first. If driving in dusty
conditions, inspect the filter at each
oil change or more often as needed.
(3) Visually check all fuel and vapor
lines and hoses for proper
attachment, connection, routing, and
condition.
(4) Do not directly power wash the
transfer case and/or front/rear axle
output seals. High pressure water
can overcome the seals and
contaminate the transfer case fluid.
Contaminated fluid will decrease the
life of the transfer case and/or axles
and should be replaced.
(5) Or every five years, whichever
comes first. See Cooling System
0 287.
(6) Or every 10 years, whichever
comes first. Inspect for fraying,
excessive cracking, or damage;
replace, if needed.
(7) If equipped with an automatic
transmission, replace brake fluid
every five years. See Brake Fluid
0 294. (8)
If equipped with a manual
transmission, replace brake/clutch
fluid every three years. See Brake
Fluid 0294.

Chevrolet Colorado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11349743) - 2018 - crc - 10/12/17
Service and Maintenance 369
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)@ @@@@@
Replace engine air cleaner filter. (2)@ @@
Inspect evaporative control system. (3)@@@
Replace spark plugs. Inspect spark plug wires.@
Change automatic transmission fluid and filter.@@@
Change manual transmission fluid.@@@
Change transfer case fluid, if equipped with
4WD. (4)@@@
Drain and fill engine cooling system. (5)@
Visually inspect accessory drive belts. (6)@
Replace brake fluid. If equipped with an automatic
transmission. (7)
Replace brake/clutch fluid. If equipped with
manual transmission. (8)

Chevrolet Colorado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11349743) - 2018 - crc - 10/12/17
370 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) Or every four years, whichever
comes first. If driving in dusty
conditions, inspect the filter at each
oil change or more often as needed.
(3) Visually check all fuel and vapor
lines and hoses for proper
attachment, connection, routing, and
condition.
(4) Do not directly power wash the
transfer case and/or front/rear axle
output seals. High pressure water
can overcome the seals and contaminate the transfer case fluid.
Contaminated fluid will decrease the
life of the transfer case and/or axles
and should be replaced.
(5)
Or every five years, whichever
comes first. See Cooling System
0 287.
(6) Or every 10 years, whichever
comes first. Inspect for fraying,
excessive cracking, or damage;
replace, if needed.
(7) If equipped with an automatic
transmission, replace brake fluid
every five years. See Brake Fluid
0 294.
(8) If equipped with a manual
transmission, replace brake/clutch
fluid every three years. See Brake
Fluid 0294.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
0 353.

Chevrolet Colorado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11349743) - 2018 - crc - 10/12/17
Index 409
AudioBluetooth . . . . . . . . . . . . . . . . . . . . . 165
Theft-Deterrent Feature . . . . . . . 151
Automatic Climate Control System . . . . . . . 193
Door Locks . . . . . . . . . . . . . . . . . . . . . 34
Headlamp System . . . . . . . . . . . . 144
Transmission . . . . . . . . . . . . . . . . . 224
Transmission Fluid . . . . . . . . . . . 285
Automatic Transmission Manual Mode . . . . . . . . . . . . . . . . . 227
Shift Lock Control Function
Check . . . . . . . . . . . . . . . . . . . . . . . 299
Auxiliary Jack . . . . . . . . . . . . . . . . . . . 165
Avoiding Untrusted Media Devices . . . . . . . . . . . . . . . . . . . . . . . 159
Axle Locking Front . . . . . . . . . . . . . . . . . 246
Axle, Front . . . . . . . . . . . . . . . . . . . . . . 297
Axle, Rear . . . . . . . . . . . . . . . . . . . . . . 298
B
Battery Exterior Lighting BatterySaver . . . . . . . . . . . . . . . . . . . . . . . 149
Load Management . . . . . . . . . . . . 148 Battery (cont'd)
Power Protection . . . . . . . . . . . . . 149
Battery - North America . . . . 295, 345
Blade Replacement, Wiper . . . . . 300
Blind Spot Mirrors . . . . . . . . . . . . . . . 39
Bluetooth Overview . . . . . . . . . . . 172, 174, 178
Bluetooth Audio . . . . . . . . . . . . . . . . 165
Brake System Warning Light . . . . . . . . 122
Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . 293 Antilock . . . . . . . . . . . . . . . . . . . . . . . 238
Assist . . . . . . . . . . . . . . . . . . . . . . . . . 239
Fluid . . . . . . . . . . . . . . . . . . . . . . . . . . 294
Parking . . . . . . . . . . . . . . . . . . . . . . . 239
Braking . . . . . . . . . . . . . . . . . . . . . . . . . 199
Break-In, New Vehicle . . . . . . . . . . 216
Bulb Replacement Center High-MountedStoplamp (CHMSL) and
Cargo Lamp . . . . . . . . . . . . . . . . . 304
Halogen Bulbs . . . . . . . . . . . . . . . . 302
Headlamp Aiming . . . . . . . . . . . . . 302
Headlamps . . . . . . . . . . . . . . . . . . . 302
Headlamps, Front Turn Signal, Sidemarker, and
Parking Lamps . . . . . . . . . . . . . . 303 Bulb Replacement (cont'd)
Taillamps, Turn Signal,
Stoplamps, and Back-up
Lamps . . . . . . . . . . . . . . . . . . . . . . 303
Buying New Tires . . . . . . . . . . . . . . . 327
C
Calibration . . . . . . . . . . . . . . . . . . . . . . 108
California Fuel Requirements . . . . . . . . . . . 256
Perchlorate Materials
Requirements . . . . . . . . . . . . . . . 276
California Proposition
65 Warning . . . . . . . . . .275, 295, 345,
Back Cover
Camera Rear Vision (RVC) . . . . . . . . . . . . 250
Canadian Vehicle Owners . . . . . . . . 2
Capacities and
Specifications . . . . . . . . . . . . . . . . . 379
Carbon Monoxide Engine Exhaust . . . . . . . . . . . . . . . 223
Tailgate . . . . . . . . . . . . . . . . . . . . . . . . . 36
Winter Driving . . . . . . . . . . . . . . . . 207
Cargo Lamp . . . . . . . . . . . . . . . . . . . . 147
Caution, Danger, and Warning . . . . 2
Center Console Storage . . . . . . . . 104

Chevrolet Colorado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11349743) - 2018 - crc - 10/12/17
Index 411
Door (cont'd)Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Power Locks . . . . . . . . . . . . . . . . . . . . 34
Drive Belt Routing, Engine . . . . . . 381
Driver Information
Center (DIC) . . . . . . . . . . . . . 129, 131
Driver Mode Control . . . . . . . . . . . . 244
Driving Characteristics and
Towing Tips . . . . . . . . . . . . . . . . . 259
Defensive . . . . . . . . . . . . . . . . . . . . . 199
Drunk . . . . . . . . . . . . . . . . . . . . . . . . . 199
For Better Fuel Economy . . . . . . . 26
Hill and Mountain Roads . . . . . . 207
If the Vehicle is Stuck . . . . . . . . . 209
Loss of Control . . . . . . . . . . . . . . . 201
Off-Road . . . . . . . . . . . . . . . . . . . . . 201
Off-Road Recovery . . . . . . . . . . . 200
Vehicle Load Limits . . . . . . . . . . . 210
Wet Roads . . . . . . . . . . . . . . . . . . . 206
Winter . . . . . . . . . . . . . . . . . . . . . . . . 207
E
Electrical Equipment, Add-On . . . . . . . . . . . . . . . . . . . . . . . 272
Electrical System Engine Compartment FuseBlock . . . . . . . . . . . . . . . . . . . . . . . . 306 Electrical System (cont'd)
Fuses and Circuit Breakers . . . 305
Instrument Panel Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . 310
Overload . . . . . . . . . . . . . . . . . . . . . 305
Emergency OnStar . . . . . . . . . . . . . . . . . . . . . . . 397
Engine Air Cleaner/Filter . . . . . . . . . . . . . 286
Check Light (Malfunction
Indicator) . . . . . . . . . . . . . . . . . . . . 120
Compartment Overview . . . . . . . 278
Coolant Temperature Gauge . . . . . . . . . . . . . . . . . . . . . . .117
Cooling System . . . . . . . . . . . . . . . 287
Drive Belt Routing . . . . . . . . . . . . 381
Exhaust . . . . . . . . . . . . . . . . . . . . . . 223
Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . 292
Heater . . . . . . . . . . . . . . . . . . . . . . . . 219
Oil Life System . . . . . . . . . . . . . . . 283
Oil Pressure Light . . . . . . . . . . . . 126
Overheating . . . . . . . . . . . . . . . . . . 291
Power Messages . . . . . . . . . . . . . 135
Running While Parked . . . . . . . . 223
Starting . . . . . . . . . . . . . . . . . . . . . . . 218
Entry Lighting . . . . . . . . . . . . . . . . . . . 148
Equipment, Towing . . . . . . . . . . . . . 264
Event Data Recorders . . . . . . . . . . 394 Exit Lighting . . . . . . . . . . . . . . . . . . . . 148
Extender, Seat Belt . . . . . . . . . . . . . . 58
Exterior Lamp Controls . . . . . . . . . 142
Exterior Lamps Off Reminder . . . 143
Exterior Lighting Battery
Saver . . . . . . . . . . . . . . . . . . . . . . . . . 149
F
FanEngine . . . . . . . . . . . . . . . . . . . . . . . . 292
Filter, Engine Air Cleaner . . . . . . . . . . . 286
Flash-to-Pass . . . . . . . . . . . . . . . . . . . 143
Flashers, Hazard Warning . . . . . . 145
Flat Tire . . . . . . . . . . . . . . . . . . . . . . . . 332 Changing . . . . . . . . . . . . . . . . . . . . . 334
Floor Mats . . . . . . . . . . . . . . . . . . . . . . 361
Fluid
Automatic Transmission . . . . . . 285
Brakes . . . . . . . . . . . . . . . . . . . . . . . . 294
Four-Wheel DriveTransfer Case . . . . . . . . . . . . . . . 231
Washer . . . . . . . . . . . . . . . . . . . . . . . 293
Fog Lamps . . . . . . . . . . . . . . . . . . . . . 146
Folding Mirrors . . . . . . . . . . . . . . . . . . 39
Forward Collision Alert (FCA) System . . . . . . . . . . . . . . . . . 251
Four-Wheel Drive . . . . . . . . . . 231, 296