Guerin's digital process: renting a car has never been so simple
Some journeys begin long before you hit the road. With Guerin's digital process, renting a car is even simpler and faster. The entire journey is completed digitally, at your own pace, from reservation to digital key, guaranteeing autonomy and freedom at every stage.
Stages of the Guerin digital process: how to rent a car online
At Guerin, we believe that the future of mobility centres on the most valuable asset: time. That is why we have simplified every phase of the car rental process, creating a modern, practical and paperless experience. From reservation to the vehicle rental contract and car return, everything has been designed to save time and make your mobility more flexible and convenient. Discover how to rent a car online without any hassle.


1. Online reservation
Choose the ideal car for you on the Guerin website, available 24 hours a day, 7 days a week. Quickly find the option that best suits your needs. Before completing your reservation, check the documents required to rent a car, ensuring a fast and hassle-free process.
You can also add complementary products, such as an additional driver or insurance packs, for a worry-free journey. If you have any questions, count on Guery, our virtual assistant, always ready to help and answer questions in real time.
2. Online check-in
Save time before you even arrive. With online check-in, simply fill in your details in a simple and secure way via your mobile phone, tablet or computer, with no need to visit the counter. This makes the car rental process faster and more convenient. In just around 9 minutes, you can complete the vehicle rental contract signature and collect the car, benefiting from a flexible rental adapted to your needs.
3. Guerin Kiosk
Complete the vehicle rental contract at our Guerin kiosks, available at our stations. Sign electronically and immediately receive all the necessary documentation by e-mail: contract, documents and photos of the vehicle's condition, information on the insurance packs added and the simple car rental conditions. This fast process ensures autonomy and avoids queues, making online car rental even more practical.

4. Car collection
You can collect your rental car in several ways: key dispenser, digital key (Keyless) or in-person handover. Whatever the option, Guerin guarantees speed, autonomy and convenience. A prime example of flexible rental, where renting a car online becomes simpler and more efficient. Throughout the entire process, our staff are always available to guide you and clarify how to rent a car correctly.
5. Keyless — digital key
You can also collect your vehicle with our Keyless solution, using only your mobile phone. Open the doors autonomously, making car rental fast and practical.
6. Key dispenser
With our key dispensers, you can collect the vehicle key autonomously and conveniently, without long waits.

7. Self check-out and check-in
For those who rent a car online, the self check-out and check-in process is carried out directly on your mobile phone, ensuring full transparency and control over the vehicle. You will receive photos of the vehicle's condition at the time of collection and, at the beginning and end of the rental, you can record the condition of the car quickly and easily.
Indicate any damage not shown in the vehicle condition report and confirm that the mileage and fuel level are in accordance with the information received.
8. Staff always available
Even with a digital and autonomous journey, human support remains. Our staff are always available throughout the entire process, to guide and answer any questions about how to rent a car, ensuring that your flexible rental and online car rental is simple, fast and secure.

The Guerin Digital Process means mobility with benefits
- Simple, fast and intuitive rental, designed for those who value efficiency and comfort.
- Greater freedom and autonomy at every stage of the process.
- Less waiting time and a 100% digital, paperless and more sustainable process.
- Transparency and security at every step of the rental.
- In Madeira and the Azores, physical kiosks are available.
- Staff always available to guide you throughout the entire process.
How to rent a car
Discover how to rent a car in Portugal in a fully digital way, without any complications. From online reservation to vehicle delivery, the Guerin digital process guarantees speed, autonomy and convenience at every stage.
Documents required to rent a car
Before starting your rental, check the documents required to rent a car: identification, driving licence and other specific documents. Ensuring these requirements are in order allows online car rental to be simple and without delays.
Reserve your car online with Guerin now
Discover the future of mobility with the Guerin digital process. Experience a simpler and smarter rental, with everything you need just a click away.