
CAUTION!(Continued)
•Your vehicle has been built with improved fluids
that protect the performance and durability of your
vehicle and also allow extended maintenance inter-
vals. Do not use chemical flushes in these compo-
nents as the chemicals can damage your engine,
transmission or air conditioning. Such damage is
not covered by the New Vehicle Limited Warranty.
If a flush is needed because of component malfunc-
tion, use only the specified fluid for the flushing
procedure.
Engine Oil
Checking Oil Level
To assure proper engine lubrication, the engine oil must
be maintained at the correct level. Check the oil level at regular intervals, such as every fuel stop. The best time to
check the engine oil level is about five minutes after a
fully warmed up engine is shut off.
Checking the oil while the vehicle is on level ground will
improve the accuracy of the oil level readings. Always
maintain the oil level within the SAFE zone on the
dipstick. Adding 1 quart (0.9 L) of oil when the reading is
at the bottom of the SAFE zone will result in a reading at
the top of the safe zone on these engines.
CAUTION!
Overfilling or underfilling the crankcase will cause
aeration or loss of oil pressure. This could damage
your engine.7
MAINTAINING YOUR VEHICLE 595

Air Conditioner Maintenance
For best possible performance, your air conditioner
should be checked and serviced by an authorized dealer
at the start of each warm season. This service should
include cleaning of the condenser fins and a performance
test. Drive belt tension should also be checked at this
time.
WARNING!
•Use only refrigerants and compressor lubricants
approved by the manufacturer for your air condi-
tioning system. Some unapproved refrigerants are
flammable and can explode, injuring you. Other
unapproved refrigerants or lubricants can cause the
system to fail, requiring costly repairs. Refer to
Warranty Information Book, located on the DVD,
for further warranty information.
(Continued)
WARNING! (Continued)
•The air conditioning system contains refrigerant
under high pressure. To avoid risk of personal
injury or damage to the system, adding refrigerant
or any repair requiring lines to be disconnected
should be done by an experienced technician.
CAUTION!
Do not use chemical flushes in your air conditioning
system as the chemicals can damage your air condi-
tioning components. Such damage is not covered by
the New Vehicle Limited Warranty.
7
MAINTAINING YOUR VEHICLE 601

Refrigerant Recovery And Recycling R134a — If
Equipped
R-134a Air Conditioning Refrigerant is a hydrofluoro-
carbon (HFC) that is endorsed by the Environmental
Protection Agency and is an ozone-saving product. How-
ever, the manufacturer recommends that air conditioning
service be performed by authorized dealer or other
service facilities using recovery and recycling equipment.
NOTE:Use only manufacturer approved A/C system
PAG compressor oil, and refrigerants.
Refrigerant Recovery And Recycling HFO 1234yf —
If Equipped
HFO 1234yf Air Conditioning Refrigerant is a hydro-
fluorocarbon (HFC) that is endorsed by the Environmen-
tal Protection Agency and is an ozone-saving product
with a low GWP (Global Warming Potential). However, the manufacturer recommends that air conditioning ser-
vice be performed by authorized dealer or other service
facilities using recovery and recycling equipment.
NOTE:
Use only manufacturer approved A/C system
PAG compressor oil, and refrigerants.
A/C Air Filter
WARNING!
Do not remove the A/C air filter while the blower is
operating or personal injury may result.
The A/C air filter is located in front of the evaporator on
the lower right of center console. Perform the following
procedure to replace the filter:
1. Remove the passenger side console closeout cover.
2. Pull the console closeout cover rearward to disengage the front retaining tab and remove the cover.
602 MAINTAINING YOUR VEHICLE

•If frequent engine coolant (antifreeze) additions are
required, the cooling system should be pressure tested
for leaks.
•
Maintain engine coolant (antifreeze) concentration at a
minimum of 50% OAT coolant (conforming to MS-12106)
and distilled water for proper corrosion protection of
your engine which contains aluminum components.
• Make sure that the coolant expansion bottle overflow
hoses are not kinked or obstructed.
• Keep the front of the radiator clean. If your vehicle is
equipped with air conditioning, keep the front of the
condenser clean.
• Do not change the thermostat for Summer or Winter
operation. If replacement is ever necessary, install
ONLY the correct type thermostat. Other designs may
result in unsatisfactory engine coolant (antifreeze)
performance, poor gas mileage, and increased emis-
sions.
Brake System
In order to assure brake system performance, all brake
system components should be inspected periodically.
Refer to the “Maintenance Schedule” for the proper
maintenance intervals.
WARNING!
Riding the brakes can lead to brake failure and
possibly a collision. Driving with your foot resting or
riding on the brake pedal can result in abnormally
high brake temperatures, excessive lining wear, and
possible brake damage. You would not have your full
braking capacity in an emergency.
Brake Master Cylinder
The fluid in the master cylinder should be checked when
performing under hood services or immediately if the
“Brake Warning Light” is illuminated.
7
MAINTAINING YOUR VEHICLE 615

CavityBlade Fuse Description
F48 20 Amp Yellow Horns
F49 7.5 Amp Brown Lumbar Support
F51 10 Amp Red Driver Window Switch / Power Mirrors – If
Equipped
F53 7.5 Amp Brown UCI Port (USB & AUX)
F89 5 Amp Tan Trunk Lamp
F91 5 Amp Tan Fog Lamp Front Left
F92 5 Amp Tan Fog Lamp Front Right
F93 10 Amp Red Low Beam Right
VEHICLE STORAGE
If you are leaving your vehicle dormant for more than 21
days you may want to take steps to protect your battery.
You may:
•Disconnect the negative cable from the battery. •
Anytime you store your vehicle, or keep it out of service
(i.e. vacation) for two weeks or more, run the air
conditioning system at idle for about five minutes in the
fresh air and high blower setting. This will ensure
adequate system lubrication to minimize the possibility
of compressor damage when the system is started again.
636 MAINTAINING YOUR VEHICLE

Maintenance Chart
Mileage:20,000
30,000
40,000
50,000
60,000
70,000
80,000
90,000
100,000
110,000
120,000
130,000
140,000
150,000
Or Years: 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Or Kilometers:
32,000
48,000
64,000
80,000
96,000
112,000
128,000
144,000
160,000
176,000
192,000
208,000
224,000
240,000
Additional Inspections
Inspect the CV joints. X X X X X X X
Inspect front suspension, boot seals, tie rod ends,
and replace if necessary. XXX X X X X
Inspect the brake linings, parking brake function. X X X X X X X
Additional Maintenance
Replace engine air cleaner filter. XX X XX
Replace air conditioning/cabin air filter. X X X X X X X
Replace spark plugs – 2.4L Engine ** X
8
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S660 MAINTENANCE SCHEDULES

About Your Brakes....................... .481
ABS (Anti-Lock Brake System) ................482
Adaptive Cruise Control (ACC) (Cruise Control) . . .182
Adding Engine Coolant (Antifreeze) ............611
Additives, Fuel .......................... .533
Airbag.................................60
Air Bag Advance Front Air Bag ....................61
Air Bag Components .....................60
Air bag Operation .......................64
Air Bag Warning Light ....................65
Driver Knee Air Bag ......................75
Enhanced Accident Response ................81
Event Data Recorder (EDR) .................85
FrontAirBag...........................60
Front Passenger Knee Air bag ...............75
If A Deployment Occurs ...................80
Knee Impact Bolsters .....................74
Lighter Weight Passengers ..................69 Maintaining Your Air Bag System
............84
Occupant Classification Module (OCM) ........66
Redundant Air Bag Warning Light ............83
Side Air Bags ...........................75
Transporting Pets ...................... .108
Air bag Deployment ........................60
Air bag Light .............................82
Air bag Maintenance ........................84
Air Cleaner, Engine (Engine Air Cleaner Filter) . . . .598
Air Conditioner Maintenance .................601
Air Conditioning ......................... .400
Air Conditioning Controls ...................400
Air Conditioning Filter .....................421
Air Conditioning, Operating Tips ..............420
Air Conditioning Refrigerant .................601
Air Conditioning System ....................400
Air Filter .............................. .598
Air Pressure, Tires ........................ .506
674 INDEX

Fails to Start.......................... .450
Flooded, Starting ...................... .450
Fuel Requirements ..................... .531
Jump Starting ......................... .576
Oil................................. .595
Oil Filler Cap ......................... .589
Oil Filter ............................ .598
Oil Selection .......................... .596
Oil Synthetic ......................... .597
Overheating .......................... .549
Starting ............................. .448
Temperature Gauge ..................... .331
Engine Oil Viscosity ...................... .597
Engine Oil Viscosity Chart ...................597
Enhanced Accident Response Feature ............81
Entry System, Illuminated ....................21
Ethanol ............................... .532
Event Data Recorder ........................85
Exhaust Gas Caution .......................110 Exhaust System
...........................110
Exterior Lighting ......................... .159
Exterior Lights ...........................113
Fabric Care ............................. .623
Filters Air Cleaner .......................... .598
Air Conditioning ...................... .421
Engine Oil ........................... .598
Engine Oil Disposal .....................598
Flashers Hazard Warning ....................... .549
Turn Signal ............................113
Flash-To-Pass ........................... .166
Flexible Fuel Vehicles Cruising Range ........................ .538
Engine Oil ........................... .538
Fuel Requirements ..................... .535
Maintenance .......................... .539
680 INDEX