Chevrolet Spark manuals

Audi A4 (B9) 2016-2022 Owner's Manual: Brake fluid

Checking and Filling
Fig. 161 Motor compartment: cap on brake fluid reservoir

Observe the safety precautions General information.

Checking the brake fluid level

The brake fluid reservoir is located under a cover on the driver's side.

The brake fluid level is monitored automatically.

Messages

The following messages may appear depending on the vehicle equipment:

Brakes: stop vehicle and check brake fluid level

Stop the vehicle and check the brake fluid level.

See an authorized Audi dealer or authorized Audi Service Facility for assistance.

Changing the brake fluid

Brake fluid should be changed at regular intervals.

Have the brake fluid changed by an authorized Audi dealer or authorized Audi Service Facility.

The authorized Audi dealer or authorized Audi Service Facility will inform you of the replacement intervals.

WARNING

Note

Electrical system

The following messages may appear depending on the vehicle equipment:

If the or indicator light turns on, there is a malfunction in the power supply, the battery, or the vehicle electrical system.

Electrical system: malfunction! Safely stop vehicle

Do not continue driving and switch the ignition off. See an authorized Audi dealer or authorized Audi Service Facility for assistance.

Electrical system: malfunction! Restart not possible. Please contact Service

If you switch the ignition off, you will not be able to restart the vehicle. Vehicle functions or driving stability may be limited. Drive to an authorized Audi dealer or authorized Audi Service Facility immediately.

Electrical system: malfunction! Please contact Service

Switch off all electrical equipment that is not needed. If necessary, some equipment will be switched off automatically. Vehicle functions or driving stability may be limited. Drive to an authorized Audi dealer or authorized Audi Service Facility immediately.

Electrical system: low battery charge. Battery will be charged while driving

The starting ability may be impaired.

WARNING

When there is an electrical system malfunction, vehicle functions may not work and driving stability may be limited, which increases the risk of an accident. Do not continue driving and switch the ignition off. See an authorized Audi dealer or authorized Audi Service Facility for assistance.

Cooling system
Coolant The engine cooling system is filled with a mixture of purified water and coolant additive at the factory. This coolant must not be not changed. The coolant level is monitored using the indi ...

Battery
Battery general information Because of the complex power supply, all work on batteries such as disconnecting, replacing, etc., should only be performed by an authorized Audi dealer or authorized Audi ...

Other materials:

Cooling Fan Relay
Purpose, Function The cooling fan relay operates by receiving the signal from the PCM to supply power to the cooling fan motor. Construction The cooling fan relay is installed on the relay and fuse block. Operation The contact point is on when the battery vo ...

Rear Drive Shaft Inspection
1. Inspect each connecting part for looseness. Tighten or replace parts if necessary. 2. Inspect the dust boot on the drive shaft for cracks, damage, leaking grease, and looseness in the boot band. 3. Inspect the drive shaft for bends, cracks, and wear in the joints or splines. ...

Air Cleaner Element Inspection
1. Remove the air cleaner element.. 2. Inspect the following items: Has the replacement interval past? Is the air cleaner element soiled, damaged, or bent? Are the air cleaner case and the air cleaner element correctly sealed? Is the correct air cleaner element inst ...

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