air conditioning CHEVROLET IMPALA 2020 User Guide

Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-13688912) -
2020 - CRC - 6/5/19
Service and Maintenance 279
(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.
See Engine Air Cleaner/Filter 0208.
(4) Or every five years, whichever
comes first. See Cooling System
0 209.
(5) Or every 10 years, whichever
comes first. Inspect for fraying,
excessive cracking, or damage;
replace, if needed.
(6) Replace brake fluid every five
years. See Brake Fluid 0215.
(7) Or every 12 months, whichever
comes first. See Wiper Blade
Replacement 0218.
(8) Or every 10 years, whichever
comes first. See Gas Strut(s)0219.
(9) Replace air conditioning
desiccant every seven years.

Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-13688912) -
2020 - CRC - 6/5/19
280 Service and Maintenance
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)@@@
Replace spark plugs. Inspect spark plug wires.@
Change automatic transmission fluid.@@@
Drain and fill engine cooling system. (4)@
Visually inspect accessory drive belts. (5)@
Replace brake fluid. (6)
Replace windshield wiper blades. (7)
@ @ @ @ @ @ @ @ @ @
Replace hood and/or body lift support gas
struts. (8)@ @
Replace air conditioning desiccant. (9)
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 ifthere is reduced airflow, window
fogging, or odors. Your GM dealer
can help determine when to replace
the filter.

Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-13688912) -
2020 - CRC - 6/5/19
Service and Maintenance 281
(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.
See Engine Air Cleaner/Filter 0208.
(4) Or every five years, whichever
comes first. See Cooling System
0 209.
(5) Or every 10 years, whichever
comes first. Inspect for fraying,
excessive cracking, or damage;
replace, if needed.
(6) Replace brake fluid every five
years. See Brake Fluid 0215.
(7) Or every 12 months, whichever
comes first. See Wiper Blade
Replacement 0218.
(8) Or every 10 years, whichever
comes first. See Gas Strut(s)0219.
(9) Replace air conditioning
desiccant every seven years.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
0 264.
Additional
Maintenance and Care
Your vehicle is an important
investment and caring for it properly
may help to avoid future costly
repairs. To maintain vehicle
performance, additional
maintenance services may be
required.
It is recommended that your dealer
perform these services —their
trained dealer technicians know
your vehicle best. Your dealer can
also perform a thorough
assessment with a multi-point
inspection to recommend when your
vehicle may need attention.
The following list is intended to
explain the services and conditions
to look for that may indicate
services are required.
Battery
The 12-volt battery supplies power
to start the engine and operate any
additional electrical accessories.

Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-13688912) -
2020 - CRC - 6/5/19
288 Technical Data
Vehicle Data
Capacities and Specifications
ApplicationCapacities
Metric English
Air Conditioning Refrigerant For the air conditioning system refrigerant type and charge amount, see the refrigerant label under thehood. See your dealer for more information.
Engine Cooling System* 9.4 L 9.9 qt
Engine Oil with Filter 5.7 L 6.0 qt
Fuel Tank 70.0 L 18.5 gal
Wheel Nut Torque 150 Y110 lb ft
All capacities are approximate. When adding, be sure to fill to the approximate level, as recommended in this
manual. Recheck fluid level after filling.
*Engine cooling system capacity values are based on the entire cooling system and its components.
Engine Specifications
Engine VIN CodeTransmission Spark Plug Gap
3.6L V6 Engine (LFX) 3Automatic 0.95–1.10 mm (0.037–
0.043 in)

Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-13688912) -
2020 - CRC - 6/5/19
316 Index
IndexA
Accessories andModifications . . . . . . . . . . . . . . . . . . 200
Accessory Power . . . . . . . . . . . . . . . 155
Adaptive Cruise Control . . . . . . . . 167
Add-On Electrical Equipment . . . 197
Additional Information OnStar . . . . . . . . . . . . . . . . . . . . . . . 307
Additional Maintenance and Care . . . . . . . . . . . . . . . . . . . . . . 281
Adjustments Lumbar, Front Seats . . . . . . . . . . . . 36
Air Cleaner/Filter, Engine . . . . . . . 208
Air Conditioning . . . . . . . . . . . . . . . . 133
Air Filter, Passenger Compartment . . . . . . . . . . . . . . . . . 138
Air Vents . . . . . . . . . . . . . . . . . . . . . . . 137
Airbag System Check . . . . . . . . . . . . . . . . . . . . . . . . . . 63
How Does an Airbag
Restrain? . . . . . . . . . . . . . . . . . . . . . 56
Passenger Sensing System . . . . 57
What Makes an Airbag Inflate? . . . . . . . . . . . . . . . . . . . . . . . . 55
What Will You See after an Airbag Inflates? . . . . . . . . . . . . . . . 56
When Should an Airbag Inflate? . . . . . . . . . . . . . . . . . . . . . . . . 54 Airbag System (cont'd)
Where Are the Airbags? . . . . . . . . 53
Airbags Adding Equipment to the
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . 62
Passenger Status Indicator . . . 101
Readiness Light . . . . . . . . . . . . . . 101
Servicing Airbag-Equipped Vehicles . . . . . . . . . . . . . . . . . . . . . . . 62
System Check . . . . . . . . . . . . . . . . . . 51
Alarm Vehicle Security . . . . . . . . . . . . . . . . 21
Alert Lane Change . . . . . . . . . . . . . . . . . 182
Side Blind Zone (SBZA) . . . . . . 181
All-Season Tires . . . . . . . . . . . . . . . . 232
Antilock Brake System (ABS) . . . 161 Warning Light . . . . . . . . . . . . . . . . . 106
Appearance Care Exterior . . . . . . . . . . . . . . . . . . . . . . . 264
Interior . . . . . . . . . . . . . . . . . . . . . . . . 269
Assistance Program, Roadside . . . . . . . . . . . . . . . . . . . . . . 294
Assistance Systems for Driving . . . . . . . . . . . . . . . . . . . . . . . . 178
Assistance Systems for Parking and Backing . . . . . . . . . . 176