2025-2026 Audi A5 4 Door Driving -> Drive system User Manual
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Driving -> Drive system for Your Audi A5 4 Door Third Generation (2025-2026)

Driving  
The parking lock was released using the manual  
release ðpage 102. Or  
the service life of the engine and other drive com-  
ponents.  
The parking lock can no longer be engaged.  
Drive to an authorized Audi dealer or author-  
ized Audi Service Facility immediately to have  
the malfunction corrected. Secure the vehicle  
against rolling before exiting the vehicle  
ðpage 98.  
Do not drive higher than two-thirds of the maxi-  
mum permitted engine RPM during the first 600  
miles (1,000 km) and do not use full accelera-  
tion. The engine can be increased RPM gradually  
during the next 300 miles (500 km).  
Selector lever: malfunction! Gear change on-  
ly possible using both shift paddles  
Efficient and environmentally-friendly  
driving  
There is a system malfunction in the selector. You  
can continue driving with limited functionality.  
The selector is not working. Selector positions  
can only be selected by tapping both shift pad-  
dles at the same time when the vehicle is station-  
ary. The “P” position engages automatically when  
you turn off the engine. Drive to an authorized  
Audi dealer or authorized Audi Service Facility im-  
mediately to have the malfunction corrected.  
Your driving style greatly influences the amount  
of fuel and energy consumed, the environmental  
impact, and the wear on the engine, brakes, and  
tires. Note the following information for efficient  
and environmentally-conscious driving:  
Turn off electrical equipment that is not need-  
ed, for example seat heating*.  
Anticipate upcoming traffic situations while  
driving to avoid unnecessary acceleration and  
braking.  
Selector lever: malfunction! You can contin-  
ue driving. Please contact Service  
Avoid driving at high speeds.  
Avoid adding extra weight to the vehicle if pos-  
sible, for example by not leaving roof racks or  
bike racks installed when they are not needed.  
Make sure the tire pressure is correct.  
Have maintenance performed regularly on the  
vehicle.  
There is a system malfunction in the selector.  
Drive immediately to an authorized Audi dealer  
or authorized Audi Service Facility to have the  
malfunction corrected.  
P button: malfunction! Auto P when engine  
off. Please contact Service  
Do not let the engine run while the vehicle  
parked.  
There is a malfunction in the parking brake but-  
ton on the selector. The “P” position engages au-  
tomatically when you turn off the engine. Drive  
to an authorized Audi dealer or authorized Audi  
Service Facility immediately to have the malfunc-  
tion corrected.  
Do not drive with winter tires during the summ-  
er.  
Use the Start/Stop system.  
Utilize the engine braking effect.  
Avoid driving short distances when possible.  
Move selector lever to automatic position  
Tips  
There is a malfunction in the tiptronic mode. End  
tiptronic mode by pushing the selector to the left  
into the "D/S" position.  
The amount of noise produced by the vehicle  
can increase significantly when driving with a  
sporty style. Show respect to others around  
you and the environment with the way you op-  
erate your vehicle, especially at night.  
Drive system  
Breaking in  
Energy management  
A new vehicle must be broken in within the first  
1,000 miles (1,500 km) so that all moving parts  
work smoothly together, which helps to increase  
Your vehicle is equipped with an intelligent ener-  
gy management system for distributing  
104  
Driving  
If certain conditions are met, the engine may  
stop before the vehicle has come to a complete  
stop. If you release the brake pedal or press the  
accelerator pedal when this happens, the engine  
will start and driving power will be transmitted.  
electricity. This significantly improves the start-  
ing ability and increases the vehicle battery life.  
Tips  
If you drive short distances frequently, the  
vehicle battery may not charge enough  
while driving. As a result, convenience func-  
tions for electrical equipment may be tem-  
porarily unavailable.  
The ignition and important assist systems such  
as the brake booster will remain available during  
the Stop phase. The engine will restart automati-  
cally when needed.  
The vehicle battery will gradually drain if  
the vehicle is not driven for long periods of  
time, or if electrical equipment is used  
when the engine is not running. To ensure  
that the vehicle can still be started, the  
electrical equipment will be limited or  
turned off.  
The Start/Stop system is automatically activated  
once the ignition is turned on.  
Turning the Start/Stop system off or on  
The button is located in front of the trans-  
mission selector in the center console. The but-  
ton will be illuminated when the function is  
turned off.  
Messages  
Press to turn on or off.  
The following messages may appear, depending  
on the vehicle equipment:  
If you turn off the system during a Stop phase,  
the engine will start again automatically.  
Drive system: malfunction! Safely stop vehi-  
Basic requirements  
cle  
The driver’s door and the hood must be closed  
and the driver’s safety belt must be fastened.  
The "P", "N", or "D" position must be engaged.  
The steering wheel must not be turned far in ei-  
ther direction.  
There is a malfunction in the drive system. The  
brake booster and the power steering may stop  
working. Stop the vehicle immediately or as soon  
as possible and do not continue driving. Secure  
the vehicle against rolling before exiting the vehi-  
cle ðpage 98. Have the problem corrected by an  
authorized Audi dealer or authorized Audi Service  
Facility.  
The vehicle must have driven faster than 2 mph  
(3 km/h) since the last time it stopped.  
The vehicle is not in trailer mode.  
Drive system: malfunction! Please contact  
Note  
Service  
Always turn off the Start/Stop system when  
driving through water ðpage 105.  
There is a malfunction in the drive system. The  
driving power is limited. Drive slowly to an au-  
thorized Audi dealer or authorized Audi Service  
Facility to have the malfunction corrected.  
Tips  
Depending on the driving situation, the en-  
gine may already stop when coasting before  
the vehicle has come to a complete stop.  
If you select the "D" position after shifting  
into reverse, the vehicle must be driven fast-  
er than 6 mph (10 km/h) in order for the  
Start/Stop system to become active again.  
This makes it possible to maneuver without  
stopping the engine.  
Start/Stop system  
Description  
Applies to: vehicles with Start/Stop system  
The Start/Stop system can help increase fuel  
economy and reduce CO emissions. In Start/  
2
Stop mode, the engine shuts off automatically  
when stopped, for example at a traffic light.  
105  

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