PRE-RELEASE
Road test
| Road test |
US/CA only . OBD II specification cars: Check that there are no remaining faults that could give rise to a CHECK ENGINE warning.
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Road testing should continue for at least 15 minutes at varying engine loads.
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Finish the road test by running the engine at idling speed with the selector lever in the N position and without any load from the A/C compressor or generator (all current-consuming components and A/C switched off) for 30-60 seconds.
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| Functionality checks |
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Lighting: Check front and rear lighting, direction indicators, brake lights, high-level brake light, rear fog light and number plate lighting.
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Ignition switch: Check that the gear-lever lock operates satisfactorily and that the key is easy to insert and remove. Check the Parking position lock on cars with automatic transmission (certain markets only).
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Engine: Check function and noise level. Make sure the engine acceleration is normal.
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Clutch: Check the clutch disengagement and engagement positions.
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Manual gearbox: Check gearbox operation and noise level.
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Automatic transmission: Check the starting interlock, i.e. that the engine can be started only when the selector lever is in P or N. Noise level and shifting performance.
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Wheels: Check wheel balance and wheel roundness.
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Steering: Check the straight-ahead position of the steering wheel, directional stability and operation of the power steering system.
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Instruments and indicator lamps: Check the operation of instruments and indicator lamps.
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Brakes: Check brake pedal travel, handbrake lever travel (1-4 notches), and the efficiency of the brakes and handbrake.
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Cruise Control: Check the functionality of the Cruise Control system.
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Heating and ventilation unit: Check the operation of the A/C system and controls. When the outdoor temperature is so low that the A/C cannot be turned on, check its operation indoors.
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Airbag: Inspect the surface of the steering wheel centre pad (airbag module) and passenger airbag, if fitted, for external damage.
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Wipers and washers: Check the washer jet pattern and wiper operation on the windscreen.
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Check that the clock shows the right time.
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