Audi A4 Owners & Service Manuals

Audi A4: Driver assistance

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 Cruise control system

Description Applies to: vehicles with cruise control system The cruise control system assists the driver in maintaining a constant speed above approximately 15 mph (20 km/h). The system maintains th

 Efficiency assist

Description Applies to: vehicles with efficiency assist Efficiency assist can assist the driver with predictive information in order to reduce fuel consumption. Depending on vehicle equipment, the

 Audi adaptive cruise control

General information Applies to: vehicles with Audi adaptive cruise control Depending on vehicle equipment, Audi adaptive cruise control may consist of the following functions: Within the limits of the

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 Battery

Battery General Information To guarantee a long service life, the Battery -A- must be checked, serviced and maintained as described in this manual. The Battery -A- supplies the power to start the engine. The Battery -A- also acts as a power reserve for the entire vehicle electrical system.  

 Steering Column, Checking for Damage

Visual Check Components of the steering column must not show any indications of damage. Function Test The steering column must turn without catching or difficulty of movement. The steering column must adjust easily from side to side and vertically (this test is only possible when installed)

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