PRE-RELEASE
Road test
| Road test |
. OBD II specification cars: check that there are no remaining faults which 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 and speeds.
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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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| Operational checks |
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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 Operation and noise level. Turbo: check that boost pressure is normal during acceleration (needle moves up to the red zone).
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Clutch Check the positions of the pedal at which the clutch disengages and begins to engage. Sensonic: Check the safety function when starting the engine with the lever in reverse, i.e. it should not be possible to start the engine unless the brake pedal is depressed.
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Manual gearbox Check gearbox operation and noise level.
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Automatic transmission Check the selector lever detent, noise level and shifting performance. Check the following functions: Starting in economy and winter positions Automatic and manual disengagement of winter position Engagement and disengagement of the sports position
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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 (4-6 notches), and the efficiency of the brakes and handbrake.
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Cruise Control Check the operation of the Cruise Control.
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Climate control system Check the operation of the A/C system and the heating and ventilation system, and their controls. When the outdoor temperature is so low that the A/C cannot be turned on, check the operation of the system indoors.
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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 and, if relevant, the rear window.
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Check that the clock shows the right time.
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