Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSAUDI2018A5 QUATTRO PRESTIGE, 2D CONVERTIBLEREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 168 (GENERAL INFORMATION)
2018 Audi A5 Quattro Prestige, 2D Convertible
Section 168 (General Information)
2018 Audi A5 Quattro Prestige, 2D ConvertibleSECTION Section 168 (General Information)
WARNING: This page does not describe the selected car, but rather 12 other vehicles, including the 2020 Audi S3, 2020 Audi RS 3, 2020 Audi A3 Quattro, 2020 Audi A3, and 2019 Audi S3. However, it is still accessible from the selected car via links, so may be relevant.
- General Information
- General Information
- Preparation Work
- Vehicle, Lifting
- Engine Cover, Removing And Installing
- 4-Cylinder Gasoline Engine, 1.2L TFSI, 1.4L TFSI, 1.4L TFSI And 1.5L TFSI G-Tron
- 4-Cylinder Gasoline Engine, 1.4L TFSI E-Tron
- 4-Cylinder Gasoline Engine, 1.5L TFSI
- 4-Cylinder Gasoline Engine, 1.8L TFSI
- 4-Cylinder Gasoline Engine, 2.0L TFSI (Version 1)
- 4-Cylinder Gasoline Engine, 2.0L TFSI, (Version 2)
- 5-Cylinder Gasoline Engine, 2.5L TFSI
- 4-Cylinder Diesel Engine, 2.0L TDI
- Noise Insulation, Removing And Installing
- Window Regulator, Activating One-Touch Up/Down Function
- Vehicle Diagnostic Tester, Connecting
- Maintenance Work
- Notes
- Diesel Particulate Filter, Reading Ash Load Value
- DTC Memory, Checking
- Service Interval Display, Resetting Service Event
- Diagnostic Procedures, Performing
- High-Voltage System Coolant Expansion Tank Seal, Checking If Present
- Battery Transport Mode, Deactivating
- Transport Mode, Checking Activation And Activating If Necessary
- Rollover Support Function, Checking With Convertible Top Open
- High-Voltage Battery, Charging
- High-Voltage Battery With Electric Hybrid Vehicles, Determining And Entering Charge Level (Soc)
- High-Voltage Battery On Electric And Hybrid Vehicles, Charging According To Manufacturer's Specification To 3/4 Charge Level
- Battery, Reading Out Condition
- Vehicle Diagnosis, Closing And Sending The Diagnostic Log
- Battery, Checking Electrolyte Level
- Battery, Connecting Stationary Battery Charger (Minimum 30A, Charging Voltage 14.8 Volt IU Characteristic)
- Battery, Determining And Entering Charge Level
- Battery, Replacing, Vehicles With "Faulty Battery" Mirror Hanging Tag
- Brake Fluid, Changing
- Brake Fluid, Checking, On Vehicles Older Than 12 Months
- Brake Fluid Level, Checking
- Brake System, Checking Brake Hose Condition And Presence Of Bleed Screw Protective Caps
- Brake Pads, Checking Thickness
- Coolant Pump Drive Toothed Belt, Checking
- Brake Rotors, Checking For Rust Film And If Necessary Applying The Brakes To Remove
- Parking Brake, Releasing
- Tires, Checking Condition And Wear Pattern; Tread Depth, Checking And Entering
- Tire Pressure, Checking And Adjusting If Necessary
- Tires (Except Spare Tire), Checking Tire Pressures And Adjusting To 3.5 Bar If Necessary
- Tire Pressure Monitoring System, Storing Changed Tire Pressure Values
- Tire Mobility Kit, Checking For Completeness; Expiration Date, Checking And Entering
- Wheel Bolts, Tightening To Specification
- Front And Rear Axle Suspension Strut: Removing Transportation Blocks, Installing Stop Buffer Correctly
- Front And Rear Axle Components, Checking Play, Attachment And Ball Joint Boots For Damage
- Engine, Transmission, Final Drive And Steering, Checking For Leaks And Damage
- Vehicle From Below, Checking For Damage
- Underbody Trim Panels, Wheel Housing Liners, Side Sills And Lines, Checking For Damage And Proper Attachment
- Roof Insert, Checking Function
- Sliding/Tilting Sunroof Insert, Cleaning And Lubricating
- Panorama Sliding Sunroof Insert, Checking, Cleaning And Lubricating
- Door Hinges With Separated Arrester, Cleaning And Lubricating
- Front Lid Latch, Lubricating
- Windshield Washer System: Check Spray Pattern And Adjust If Necessary
- Wiper Blades, Checking For Damage
- Headlamp Washer System, Checking Function
- Headlamps: Check Adjustment
- Driving And Back-Up Lamps, Parking Lamps, License Plate Lamps, Turn Signals And Emergency Flashers: Checking Function
- Luggage Compartment Lamp Function, Checking
- Luggage Compartment, Removing Protective Film And Protective Felt
- Glove Compartment, Interior Lamps And Reading Lamps, Checking Function
- Horn: Check Function
- Owner's Literature, Checking For Completeness
- Owner's Manual: Attaching The Vehicle Data Label
- Maintenance Schedule, Entering Service Delivery
- Seat Belts, Checking For Belt Buckle Attachment And Belt Retractor Locking Function
- Vehicle Interior, Removing Seat Covers And Carpet Protection
- Protective Display Films, Removing
- Vehicle Interior, Checking For Cleanliness And Cleaning If Necessary
- Vehicle Interior, Removing Objects That Do Not Expressly Protect Surfaces
- Vehicle Interior And Exterior, Checking For Damage And Documenting The Damage
- Instrument Cluster, Checking Indicator Lamps
- Emergency Triangle, Checking Presence
- First Aid Kit, Checking And Entering Expiration Date
- Vehicle Key, Checking Function And Entering Number Of Assigned Keys
- Vehicle Key, Removing
- Vehicle Key, Wheel Hub Cover And Owner's Literature, Checking Presence And Entering Amount
- Sun Visor, Checking If In Highest Position And Moving If Necessary
- Luggage Compartment Cover And Sun Shade, Checking If Retracted And Retracting If Necessary
- Engine Oil, Draining
- Engine Oil, Extracting
- Engine Oil Filter, Replacing
- Engine Oil, Filling
- Engine Oil Level, Checking And Correcting If Necessary
- Spark Plugs, Replacing
- 4-Cylinder Gasoline Engine, 1.2L TFSI / 1.4L TFSI / 1.4L TFSI G-Tron / 1.4L TFSI E-Tron
- 4-Cylinder Gasoline Engine, 1.5L TFSI
- 4-Cylinder Gasoline Engine, 1.8L TFSI / 2.0L TFSI (Version 1)
- 4-Cylinder Gasoline Engine, 2.0L TFSI (Version 2)
- 5-Cylinder Gasoline Engine 2.5L TFSI
- Ignition Coils With Power Output Stages
- Coolant Level, Coolant Level At Least To Upper Mark On Expansion Tank
- Cooling System For High-Voltage System, Checking Coolant Level And Correcting If Necessary
- Air Filter Element, Replacing And Cleaning Housing
- Notes
- 4-Cylinder Gasoline Engine, 1.2L TFSI / 1.4L TFSI / 1.4L TFSI G-Tron / 1.4L TFSI E-Tron
- 4-Cylinder Gasoline Engine, 1.5L TFSI
- 4-Cylinder Gasoline Engine, 1.8L TFSI / 2.0L TFSI (Version 1)
- 4-Cylinder Gasoline Engine, 2.0L TFSI (Version 2)
- 5-Cylinder Gasoline Engine 2.5L TFSI
- 4-Cylinder Diesel Engine, 1.6L TDI / 2.0L TDI
- Air Filter Housing, Cleaning
- Static Entries In DTC Memory, Correcting
- Dust And Pollen Filter, Replacing
- Fuel Filter, Replacing
- Fuel Filter, Draining Water
- Fuel Tank, Adding Fuel Additive
- Reducing Agent (ADBLUE®), Filling Completely
- Vehicle Doors, Removing The Edge Protection
- Vehicle Exterior, Checking Unprotected Locations For Debris And Cleaning If Necessary
- Vehicle Exterior, Removing Any Protective Films
- Vehicle Protection, Checking Correct Fitting And Adjusting If Necessary
- Vehicle Protection, Removing According To Manufacturer Specification
- Paint, Decorative Trim, Windows, And Wiper Blades, Checking For Cleanliness
- Body Vehicle Paint, Checking For Damage And Corrosion With Lids And Doors Open And On The Vehicle From Below
- Vehicle Parked Outside, Locking
- Road Test, Performing
- VEHICLES IN STORAGE OR INVENTORY, FOLLOWING MAINTENANCE TABLE MEASURES UNDER "Before Vehicle Delivery to the Customer"
- Charging Cable Type 2, Checking For Presence And Completeness
- Charging System, Checking For Presence And Completeness.
- Charging Socket, Checking For Contamination And Damage
- Accessories, Installing
- Checklist "Documentation For Performing The Maintenance Program," Checking Presence
- "Vehicles In Storage Or Inventory" Checklist, Signing And Placing In Vehicle File
- Maintenance Procedures, Checking If Performed On Time
- Management Of Vehicles In Storage, Checking Next Inspection Date And Entering
- Display Instruments, Setting Time And Date
- Manual Or Automatic Transmission, Selecting 1ST Gear Or Park Position
- S TRONIC Transmission, Changing ATF
- S TRONIC Transmission, Changing Transmission Fluid And Fluid Filter
- All Wheel Drive Clutch, Changing Oil
- Interior Rearview Mirror, Calibrating Compass
- Instrument Cluster, Resetting Driver Information System
- Ribbed Belt For Sub-Assembly, Replacing
- Camshaft Drive Toothed Belt, Replacing
- Camshaft Drive Toothed Belt And TENSIONING Roller, Replacing
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.