| Pay attention to the following if testers and measuring instruments have to be used in the course of a test drive: |
Caution | Proceed as follows to avoid risk of accident during measurement and test drives: |
| Exclusive use is to be made for measured value block readout of vehicle diagnostic, testing and information system -VAS 5051- or fault reader -V.A.G 1551-. Unit is always to be attached to rear seat and operated from there by a second person. |
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| Heed the following so as to avoid possible injury and/or the destruction of electrical and electronic components: |
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| Always switch off ignition before connecting and disconnecting measuring instruments and testers. |
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| Certain tests may result in fault detection and storage by the control unit. The fault memory is therefore to be interrogated and if necessary erased on completion of all tests and repair work. |
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| Always switch off ignition before disconnecting and connecting battery so as not to damage control units. |
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