Get Controls -> Remote control keys (smart key battery) Guide for Audi S5 4 Door Fourth Generation (2017-2024)

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Doors and windows

It may not be possible to start the engine with the key if there is

another ignition key from a different make of vehicle on the same

key ring.

Remote control keys

Set of keys

Data stored on remote control key

Data related to the service and maintenance of the vehicle are

stored continuously on your remote control key. Your Audi dealer

can read out the data and will then be able to tell you what service

work is required. This also applies to vehicles with advanced key.

Personal convenience settings

If two people use the same car regularly, it is a good idea for each

person to have his or her “own” remote control key. When you

switch off the ignition or lock the vehicle, your personal settings for

the following convenience features are stored and assigned to the

remote control key:

Fig. 27 Keys supplied

with the vehicle

A Remote control key

• Air conditioner

• Central locking system

• Background lighting

• Windows

• parking system*

• Seat memory*

The remote control key will lock and unlock the car via the central

locking system and start the engine.

A Spare key

The spare key should be used only temporarily if the remote control

key has been misplaced or lost.

Replacing a key

The stored settings are then recalled automatically the next time the

If you should lose a key, please contact an Audi dealer. Have the

remote control coding for that key deactivated. For this purpose you

should bring all available keys with you. It is also important to notify

your insurance company if a key has been lost.

vehicle is unlocked, the doors are opened or the ignition is switched

on.

Before you can assign the seat memory* settings to a remote

control key, the memory function for the remote control key must be

activated ⇒ page 73.

Electronic immobiliser

The immobiliser is designed to prevent unauthorised persons from

driving the vehicle. If an uncoded key is used, SAFE will appear in

the mileage recorder display.

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The indicator lamp should light up once briefly when you press one

of the buttons briefly. The indicator lamp should flash when you

press and hold one of the buttons (convenience open/close).

WARNING

• Always switch off the ignition and take the key with you when

leaving the vehicle - even if you only intend to be gone for a short

time. This is especially important if children are left in the car. They

might otherwise be able to start the engine or use power-operated

equipment such as the electric windows - this could lead to inju-

ries.

If the indicator lamp does not light up, this means the battery is

exhausted and must be replaced ⇒ page 39. The instrument cluster

display also shows the symbol  and the following message if the

battery is exhausted:

Please change key battery

• Wait for the vehicle to come to a standstill before removing the

ignition key from the lock. Otherwise the steering lock could

engage suddenly, causing an accident.

Replacing the battery for the remote control

key

Note

Each remote control key contains a round-cell battery,

located in the battery carrier.

The function of the remote control key may be impaired by interfer-

ence from other nearby radio signals (for example from a mobile

telephone or TV transmitter) if these are in the same frequency

range.

Indicator lamp on remote control key

The indicator lamp on the remote control key lights up

when you press the buttons.

Fig. 29 Remote control

key: Removing the

emergency key

Fig. 28 Indicator lamp

on remote control key

Fig. 30 Remote control

key: Removing the

battery carrier

Controls

Safety

Driving tips

General maintenance

Self-help

Technical data

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– Press the release button A ⇒ page 39, fig. 29.

Removing the emergency key

– Pull the emergency key A out of the remote control key.

– Press the release catch A ⇒ page 39, fig. 30 on the

battery carrier and at the same time pull the battery

carrier out of the remote control key in the direction of

the arrow.

– Insert the new CR 2032 battery with the “+” symbol

facing downwards.

Fig. 31 Remote control

key: Removing the

emergency key

– Slide the battery carrier carefully into the remote control

key.

– Press the release button A ⇒ fig. 31.

– Insert the emergency key.

– Pull the emergency key A out of the remote control key.

For the sake of the environment

Used batteries must be disposed of appropriately and must not be

discarded with ordinary household waste.

You can use the emergency key to ...

• activate and deactivate the front passenger's airbag ⇒ page 173.

• lock and unlock* the front passenger's storage compartment

⇒ page 89.

Note

• lock and unlock the lockable rear seat ⇒ page 80.

The new battery must be of the same type as the original one

(CR 2032).

• manually lock and unlock the vehicle if this is not possible using

the remote control key ⇒ page 45.

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Starting the vehicle with the spare key

Emergency release for ignition key

In the event of a malfunction in the vehicle's electrical

system, it may no longer be possible to remove the igni-

tion key.

Fig. 33 Glove box:

Adapter for spare key

Fig. 32 Ignition lock

with key

If you are not able to remove the ignition key because the

vehicle battery has discharged (for example), remove the

key as follows:

Fig. 34 Inserting the

spare key into the

adapter

– Press the release catch A ⇒ fig. 32 using a ball-point

pen or a similar object and pull the emergency key Aout

of the remote control key.

– Open the glove box and take out the adapter for the spare

– Use the emergency key to lock the vehicle ⇒ page 45.

key ⇒ fig. 33 -arrow-.

– Have the vehicle's electrical system checked by a quali-

fied workshop.

– Insert the spare key ⇒ fig. 34 all the way into the adapter.

Please note that the key will only engage in one position.

– Press the spare key lightly into the adapter until you hear

it click into place.

– Insert the adapter, spare key first, into the ignition lock.

You should now be able to start the engine in the usual

way.

Controls

Safety

Driving tips

General maintenance

Self-help

Technical data

Controls -> Remote control keys (smart key battery) for Your Audi S5 4 Door Fourth Generation (2017-2024)

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