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2010 Chevrolet Impala
Climate: Air Conditioning, Media: AM/FM Radio Tuner, Transmission: Automatic, Cruise Control, Media: Compact Disc Player, Drive: Front Wheel Drive,
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150-Plus Point Inspection

GM Programs  >  Optimum Used  >   150+ Point Inspection

The Rigorous 150+ Point Inspection

From the proper operation of the engine and brakes to the condition of the sun shade and map lights, you can be sure that each Optimum Vehicle has been meticulously inspected by licensed mechanics before it's offered for sale. During the inspection process, each vehicle must pass a check of a minimum of 150 different points. This ensures the vehicle is in excellent condition - inside and out. On some vehicles, up to 180 different points are inspected. Plus, regular maintenance is performed and faulty components are repaired or replaced.

A GM trained technician performs the following 150-plus point inspection on every Optimum Used Vehicle:

Engine
Instrumentation and Interior Components Inspection
Pre-Test Drive Inspection
Test Drive
Service Bay
Appearance
Final

Each Optimum Certified Used Vehicle has been meticulously inspected by licensed mechanics before it reaches the sales floor. During the inspection process, each vehicle must pass a minimum of 150 points, ensuring that the vehicle is in excellent condition inside and out. Plus, regular maintenance is performed and faulty components are repaired or replaced.

A GM trained technician performs the following 150+ point inspection on every Optimum Certified Used Vehicle.

  • Engine


    1. Check the vehicle mileage against service records for accuracy

    ENGINE COMPARTMENT
    2. Hood release, hinges, prop rod or gas struts provide proper operation
    3. Check finish (rust, corrosion)
    4. Check factory instruction stickers

    ENGINE CONDITION
    5. Verify original equipment and displacement
    6. Valve covers and head gaskets in good condition
    7. Condition of engine belts, automatic belt tensioner, hoses, and wires
    8. Condition of hose clamps, retainer clips, and wire casings
    9. Look for areas of concentrated dirt or grime

    ENGINE OIL LEVEL/CONDITION
    10. Check engine oil level, verify oil clarity and viscosity

    ENGINE COOLANT LEVEL/CONDITION
    11. Check radiator for leaks and damage/fan shroud is securely in place
    12. Verify that blades of cooling fans are not broken or bent
    13. Check coolant level, freeze protection rating

    AIR FILTER INSPECTION
    14. Inspect air filter/filter housing for debris (leaves, bugs)

    BATTERY LOAD TEST
    15. Inspect battery for cracks. Clean and inspect battery top, posts & cables
    16. Measure battery voltage/conduct load test

    IGNITION SYSTEM
    17. Inspect system for loose, cracked or burned wires.
    18. Check wire for short circuits and arcing

    POWER STEERING FLUID LEVEL
    19. Inspect power steering fluid level

    BRAKE FLUID LEVEL
    20. Locate and inspect master cylinder reservoir, check brake fluid level

    AUTOMATIC TRANSMISSION FLUID LEVEL & CONDITION
    21. Check all ranges from “Park” to “1st” for proper engagement
    22. Fluid level meets manufacturer's specified level, clarity and viscosity

    FUEL SYSTEM
    23. Inspect fuel injection system for proper operation
    24. Check fuel system for leaks or loose wires and lines
    25. Inspect evaporative emissions for proper operation

    MANUAL TRANSMISSION FLUID LEVEL
    26. Measure fluid level, clarity and viscosity (if equipped)

    MANUAL TRANSMISSION HYDRAULIC CLUTCH FLUID LEVEL
    27. Check clutch fluid reservoir for proper level

    WASHER FLUID LEVEL
    28. Inspect/fill washer fluid reservoir (front)/(rear, if equipped)

    STARTER PERFORMANCE (AUTOMATIC TRANSMISSION)
    29. Check that starter only operates in “Park” or “Neutral”

    STARTER PERFORMANCE (MANUAL TRANSMISSION)
    30. Starts only when clutch pedal pressed all the way down (GM Vehicles)

    ENGINE RUNNING, NOISE, VIBRATION & HARSHNESS
    31. Check for fluid leaks or valvetrain noise
    32. Vacuum system condition
    33. Fuel delivery system
    34. Valve cover/cylinder head/exhaust manifold gaskets soundness
    35. Radiator/heater hoses condition
    36. Power steering pump/hose condition
    37. No squeaking belts

  • Instrumentation and Interior Components Inspection


    38. SRS system warning light/self test
    39. ABS system warning light/self test

    INSTRUMENT PANEL
    40. Instrument panel/gauge lights and operation
    41. Electronic instrument cluster, Head-up Display operational (if equipped)

    CLIMATE CONTROL
    42. HVAC/Front and Rear Electronic Climate Control (if equipped)
    43. All climate control directional functions/vents working properly

    AUDIO/VIDEO SYSTEM
    44. Audio controls, speakers, steering wheel controls (if equipped)
    45. Power antenna (if equipped)
    46. DVD player operational (if equipped)
    47. Navigation system operational (if equipped)

    WINDSHIELD WIPER/WASHER OPERATION
    48. Front wiper/washer controls are operational
    49. Front wiper blades
    50. Rear wiper/washer controls are operational (if equipped)
    51. Rear wiper blade (if equipped)

    ELECTRIC REAR WINDOW DEFROSTER OPERATION
    52. Defroster switch/heating grid operation

    HORN OPERATION
    53. Horn operation/sound quality

    LIGHTER/POWERPOINT OUTLETS
    54. Cigarette lighter operational, aux. powerpoints operational

    TILT STEERING WHEEL (IF EQUIPPED)
    55. Steering wheel locks in each tilt position

    INSIDE REARVIEW MIRROR
    56. Rearview mirror adj., range of movement, Auto dim (if equipped)
    57. Map/Reading lights (if equipped)

    WINDOWS
    58. Power windows and controls are operational (if equipped)
    59. Sliding rear window/vent windows (if equipped)

    OUTSIDE MIRROR CONTROLS
    60. Check mirrors for full movement in all directions
    61. Check that mirrors have good clarity and no scratches or cracks
    62. Heated Mirrors/Personal Memory systems function (if equipped)

    POWER SUNROOF OPERATION (IF EQUIPPED)
    63. Sunroof opens, tilts and closes properly
    64. Check sunroof track for any obstructions or damage
    65. Check sunroof seals for any cracks or damage

    REMOVABLE ROOF PANELS (IF EQUIPPED)
    66. Roof panel latches
    67. Check roof panel weather stripping for cracks or damage

    CONVERTIBLE TOP OPERATION (IF EQUIPPED)
    68. Headliner condition (if equipped)
    69. Check roof structure for bent rods or damage
    70. Top opens and closes fully
    71. Rear window, glass or plastic condition
    72. Convertible top seals and clamps

    SEAT FABRIC AND TRIM CONDITION
    73. Vehicle seats are free from wear, stains, or tears
    74. Passenger compartment trim panels fit and finish
    75. Headliner fit and condition

    SEAT ADJUSTMENT
    76. Driver and Passenger seat tracks are operational
    77. Adjustable head restraints (if equipped)
    78. Folding rear seatback/Valet Lockout feature (if equipped)
    79. Driver/passenger/rear seat controls are operational

    SAFETY BELT CONDITION/INTEGRAL CHILD SEAT OPERATION
    80. All seat belts are operational
    81. Inspect safety belt webbing and buckles at all seating positions
    82. Height adjustable shoulder belts work correctly (if equipped)
    83. Check that integral child seat is operating properly (if equipped)
    84. Inspect all child seat hardware and latches

    SUN VISOR OPERATION AND CONDITION
    85. Sun visors are operational

    INTERIOR/COURTESY LIGHT OPERATION
    86. Check that all interior lights/switches are operational

    REMOTE DECKLID/LIFTGATE RELEASE OPERATION
    87. Check operation of decklid/liftgate during remote release
    88. Inspect weather seal for damage
    89. Decklid pull down feature (if equipped)

    REMOTE FUEL FILLER DOOR RELEASE OPERATION (IF EQUIPPED)
    90. Inspect operation of the remote fuel filler door release feature
    91. Interior fuel door switch, release mechanism working properly

    ASHTRAY
    92. Inspect ashtray for broken, bent, or melted components

    GLOVE BOX OPERATION
    93. Inspect latch, lock, and hinges for proper operation

    DOOR TRIM AND LOCK OPERATION
    94. Check that all doors open and close smoothly
    95. Inspect operation manual or power door locks, rear door security lock
    96. Check that doors cannot be opened in the “Locked” position
    97. Check hand held remote transmitter operational (if equipped)
    98. Check all interior/exterior door handles for damage
    99. Inspect fit and finish of each door trim panel, armrest, assist strap

    CARPET AND FLOOR MAT CONDITION
    100. Inspect carpet and floor mats for burns, dirt, excessive wear

    CARGO AREA
    101. Inspect cargo area trim panels for fit and finish
    102. Cargo area, door lock switch operation, powerpoint power (if equipped)

    SPARE TIRE CONDITION/JACK & WRENCH LOCATION
    103. Inspect spare tire and wheel condition
    104. Inspect that all tools needed for spare tire change are intact

  • Pre Test-Drive Inspection


    HEAD LAMP/FOG LAMP OPERATIONS
    105. Headlamp switch, High/Low beam is functional
    106. Headlamps are aimed properly
    107. Twilight/headlamp delay feature OK (if equipped)
    108. Fog lamps are aimed and functional (if equipped)

    PARKING/BRAKE/BACK UP/TURN & SIDE MARKER LAMPS
    109. Front and rear parking lamps
    110. Brake and backup lamps
    111. Left/Right turn signal lamps

    HAZARD WARNING LIGHTS
    112. Hazard warning lights work with vehicle running/not running

    WHEEL AND TIRE CONDITION (INSPECT PRE TEST DRIVE AND IN SERVICE BAY)
    113. Tires meet 4/32" minimum requirement
    114. Wheel covers/wheel centre hubs OK (if equipped)
    115. Tire side walls, valve stems, and wear pattern
    116. Tire size/correct air pressure/lug nuts secured
    117. Inspect wheel rims for damage

    SHOCK ABSORBER TEST
    118. Front shock absorbers/strut assembly
    119. Rear shock absorbers/strut assembly

  • The Test Drive


    BRAKE SHIFT/TRANSMISSION INTERLOCK (AUTOMATIC TRANSMISSION)
    120. Gear selector cannot be moved out of Park unless brake is applied

    TRANSMISSION OPERATION (AUTOMATIC)
    121. Transmission gear engagement/shift points are smooth

    TRANSMISSION OPERATION (MANUAL)
    122. Clutch pedal/gear shift engagement
    123. No transmission noise

    ENGINE PERFORMANCE
    124. Engine driveability/performance

    BRAKE OPERATION
    125. Power assisted braking system is functional
    126. Rear parking assistance monitor operational (if equipped)
    127. Anti-lock brake system warning/self-test light is functional
    128. Anti-lock brake system functional (if equipped)
    129. Vehicle tracks straight under hard braking conditions

    SUSPENSION/DRIVETRAIN/NOISE/VIBRATION/HARSHNESS
    130. No abnormal vehicle noise, vibrations or harshness identified

    CORNERING ABILITY
    131. Vehicle cornering dynamics
    132. Vehicle has no abnormal body roll

    CRUISE CONTROL (IF EQUIPPED)
    133. Cruise control holds a set speed/adjustments work properly

  • Service Bay Inspection


    TRANSMISSION CASE INSPECTION
    134. Transmission case/pan structurally sound

    MANUAL TRANSMISSION FLUID LEVEL AND CONDITION
    135. Fluid level, clarity and condition

    TRANSFER CASE (4-WHEEL DRIVE MODELS)
    136. Fluid level, clarity and condition
    137. Transfer case/skid plate structural condition

    BRAKE SYSTEM CONDITION
    138. Brake rotor/drum surfaces
    139. Brake pads/shoes have 40% or more remaining pad life
    140. Brake shoes have 40% or more remaining life
    141. Parking brake operation

    ENGINE MOUNTS/FRONT SUSPENSION LINKS & BUSHINGS
    142. Inspect all engine mounts, grommets and bushings
    143. Front suspension links/sway bar/mounts

    STRUTS AND SHOCK ABSORBER CONDITION
    144. Shock absorbers/struts free of leaks and damage

    STEERING SYSTEM CONDITION
    145. Inspect structural condition of all steering system elements

    CV JOINT DUST BOOT CONDITION
    146. CV dust cover boot void of rips/damage

    DRIVE AXLE, AXLE FLUID LEVELS
    147. Drive axle meets Manufacturer specifications
    148. Inspect differential case for fluid leaks
    149. Front/Drive axle fluid level

    FUEL TANK SYSTEM CONDITION
    150. Fuel tank and delivery lines are sound, no fuel odour

    VEHICLE/STRUCTURAL DAMAGE
    151. Vehicle shows no signs of collision damage

    EXHAUST SYSTEM
    152. Exhaust system hung/routed properly, meets structural integrity, exhaust tone

    ENGINE OIL AND FILTER CHANGE, CHASSIS LUBE
    153. Lubricate all chassis points, perform engine oil and filter change

  • Appearance


    EXTERIOR WEAR AND TEAR INSPECTION WINDOW GLASS
    154. Inspect all glass surfaces for chips and cracks

    HOOD CONDITION
    155. Inspect hood for proper alignment with fenders, grille, and fascia
    156. Inspect hood's finish for dents and scratches

    GRILLE, FRONT BUMPER, AND FASCIA CONDITION
    157. Check that bumper guards and rubstrips are securely fastened
    158. Check grille, front bumper, or fascia alignment/condition
    159. Vehicle is free from road tar and tree sap

    DRIVER SIDE FENDER, DOOR(S), QUARTER PANEL CONDITION
    160. Inspect for panel alignment, finish quality, previous body work
    161. Weather seals, placement/condition
    162. Bodyside mirrors, mouldings and badging properly secured

    DECKLID, LIFTGATE, TAILGATE OR REAR CARGO DOOR CONDITION
    163. Inspect the rear body panel surfaces for dings, dents and scratches
    164. Decklid, liftgate or rear panel doors
    165. Weather seals, placement/condition
    166. Pickup tailgate/bed/side rails (if equipped)
    167. Bedliner OK

    REAR BUMPER/FASCIA CONDITION
    168. Inspect all rear trim components for proper fit, no collision damage
    169. Check that all bumper guards and rubstrips are securely fastened

    PASSENGER SIDE FENDER, DOOR(S), QUARTER PANEL CONDITION
    170. Inspect areas for panel alignment, finish quality, or previous body work
    171. Weather seals, placement/condition
    172. Bodyside mirrors, mouldings and badging properly secured

    RADIO ANTENNA
    173. Inspect mast antenna, antenna secured

  • Final Inspections


    • 174. Engine compartment is clean/degreased
    175. Interior compartment has been cleaned/detailed
    176. Vehicle exterior has been washed/waxed/detailed