2009 CHEVROLET IMPALA oil pressure

(h)Change automatic transmission fluid and filter if the
vehicle is mainly driven under one or more of these
conditions:
In heavy city traffic where the outside temperature
regularly reaches 90°F (32°C) or higher.
In hilly or mountainous terrain.
When doing frequent trailer towing.
Uses such as found in taxi, police, or delivery
service.
(i)Drain, flush, and refill cooling system. This service
can be complex; you should have your dealer/retailer
perform this service. See Engine Coolant on page 5-28
for what to use. Inspect hoses. Clean radiator,
condenser, pressure cap, and filler neck. Pressure test
the cooling system and pressure cap.
(j)Check throttle system for interference or binding and
for damaged or missing parts. Replace parts as needed.
Replace any components that have high effort or
excessive wear. Do not lubricate accelerator or cruise
control cables.
(k)A fluid loss in any vehicle system could indicate a
problem. Have the system inspected and repaired
and the fluid level checked. Add fluid if needed.
(m)If driving regularly under dusty conditions, inspect
the filter at each engine oil change.
(n)Visually inspect belt for fraying, excessive cracks, or
obvious damage. Replace belt if necessary.Owner Checks and Services
These owner checks and services should be performed
at the intervals specied to help ensure vehicle safety,
dependability, and emission control performance. Your
dealer/retailer can assist with these checks and services.
Be sure any necessary repairs are completed at once.
Whenever any uids or lubricants are added to the
vehicle, make sure they are the proper ones, as shown
inRecommended Fluids and Lubricants on page 6-12.
At Each Fuel Fill
It is important to perform these underhood checks at
each fuel fill.
Engine Oil Level Check
Notice:It is important to check the engine oil
regularly and keep it at the proper level. Failure to
keep the engine oil at the proper level can cause
damage to the engine not covered by the vehicle
warranty.
Check the engine oil level and add the proper oil if
necessary. SeeEngine Oil on page 5-17.
6-8

Engine Coolant Level Check
Check the engine coolant level and add DEX-COOL®
coolant mixture if necessary. SeeEngine Coolant
on page 5-28.
Windshield Washer Fluid Level Check
Check the windshield washer uid level in the windshield
washer uid reservoir and add the proper uid if
necessary.
At Least Once a Month
Tire Ination Check
Inspect the vehicle’s tires and make sure they are
inated to the correct pressures. Do not forget to check
the spare tire. SeeInflation - Tire Pressure on
page 5-60. Check to make sure the spare tire is stored
securely. SeeChanging a Flat Tire on page 5-76.
Tire Wear Inspection
Tire rotation may be required for high mileage highway
drivers prior to the Engine Oil Life System service
notication. Check the tires for wear and, if necessary,
rotate the tires. SeeTire Inspection and Rotation on
page 5-67.
At Least Once a Year
Starter Switch Check
{CAUTION:
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. Firmly apply both the parking brake and the regular
brake. SeeParking Brake on page 2-26.
Do not use the accelerator pedal, and be ready to
turn off the engine immediately if it starts.
3. 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/retailer for service.
6-9

Lights (cont.)
Fog Lamp ..................................................3-40
Highbeam On.............................................3-40
High/Low Beam Changer................................ 3-8
Oil Pressure...............................................3-39
Passenger Airbag Status Indicator..................3-29
Safety Belt Reminders..................................3-27
Security.....................................................3-39
Tire Pressure..............................................3-35
Traction Control System (TCS) Warning..........3-32
Loading Your Vehicle.......................................4-20
Locks
Automatic Door Lock....................................2-10
Delayed Locking..........................................2-10
Door ........................................................... 2-9
Lockout Protection.......................................2-12
Power Door ................................................2-10
Programmable Automatic Door Unlock............2-11
Rear Door Security Locks.............................2-11
Loss of Control...............................................4-11
Lower Anchors and Tethers for Children.............1-45
Lumbar
Manual Controls............................................ 1-6M
Maintenance
Footnotes..................................................... 6-7
Maintenance Schedule
Additional Required Services........................... 6-6
At Each Fuel Fill........................................... 6-8
At Least Once a Month.................................. 6-9
At Least Once a Year.................................... 6-9
Maintenance Record....................................6-15
Maintenance Replacement Parts....................6-13
Maintenance Requirements............................. 6-2
Owner Checks and Services........................... 6-8
Recommended Fluids and Lubricants.............6-12
Scheduled Maintenance................................. 6-4
Using.......................................................... 6-3
Your Vehicle and the Environment................... 6-2
Malfunction Indicator Lamp...............................3-36
Manual Lumbar Controls.................................... 1-6
Manual Seats................................................... 1-4
Message
DIC Warnings and Messages........................3-49
Mirror Reading Lamps.....................................3-17
8

Mirrors
Automatic Dimming Rearview........................2-32
Manual Rearview Mirror................................2-32
Outside Convex Mirror.................................2-33
Outside Heated Mirrors................................2-33
Outside Power Mirrors..................................2-32
MP3 .............................................................3-77
N
Navigation System, Privacy..............................7-19
Net
Convenience...............................................2-43
New Vehicle Break-In......................................2-19
O
Odometer......................................................3-26
Off-Road
Recovery....................................................4-11
Oil
Engine.......................................................5-17
Engine Oil Life System.................................5-20
Pressure Light.............................................3-39
Older Children, Restraints................................1-34
Online Owner Center........................................ 7-5
OnStar, Privacy..............................................7-19
OnStar
®System, see OnStar®Manual...............2-33
Operation, Universal Home Remote System........2-37Outlet Adjustment............................................3-23
Outlets
Accessory Power.........................................3-18
Outside
Convex Mirror.............................................2-33
Heated Mirrors............................................2-33
Power Mirrors.............................................2-32
Overheated Engine Protection
Operating Mode..........................................5-34
Owner Checks and Services.............................. 6-8
Owners, Canadian............................................... ii
P
Paint, Damage...............................................5-95
Parade Dimming.............................................3-16
Park
Shifting Into................................................2-27
Shifting Out of............................................2-29
Parking
Over Things That Burn.................................2-30
Parking Brake................................................2-26
Passenger Airbag Status Indicator.....................3-29
Passenger Compartment Air Filter.....................3-23
Passenger Sensing System..............................1-65
Passing.........................................................4-11
PASS-Key
®III+ Electronic Immobilizer...............2-17
PASS-Key®III+ Electronic Immobilizer
Operation...................................................2-18
9