How to Write Self Check-In Instructions Your Guests Will Actually Follow
Bart — GuestIntro team
Because "I can't get in" is the one message no host ever wants to see.
Self check-in is one of the best things to happen to short-term rental hosting. No more racing across town to hand over keys. No more awkward small talk in the doorway while your guest just wants to get inside and put the kettle on. No more coordinating arrival times that inevitably shift by two hours.
But here's the catch. Self check-in only works if your instructions are good enough that guests can follow them without help. And "good enough" is doing a lot of heavy lifting in that sentence, because what feels crystal clear to you can be genuinely baffling to someone who's never been to your property before.
A guest standing outside your front door at 9pm, tired from travelling, struggling with a key safe they've never used, with their phone battery on 4%? That's not a great start to anyone's holiday. And it's almost always preventable.
Let's walk through how to write self check-in instructions that actually work. The kind that get your guest from "I've just arrived" to "I'm inside with the door locked behind me" without a single message to you.
Start With the Journey, Not the Door
Most hosts make the same mistake. They start their check-in instructions at the front door. "The key safe is to the left of the entrance, the code is 4729."
But your guest's check-in experience doesn't start at the door. It starts when they arrive in the area. And there's often a surprisingly confusing gap between "I'm on your street" and "I'm standing at your front door."
Think about what your property looks like from the outside to someone who's never been there. Is it obvious which building is yours? Is the entrance where you'd expect it to be, or is it round the side? Are there multiple doors and only one of them is yours? Is the house number clearly visible at night?
Start your instructions from the point of arrival. If most guests drive, begin with where to park and how to get from the car to your door. If most take public transport, start with the walk from the nearest station or bus stop.
Something like: "When you arrive on Clifton Road, our house is number 14, on the left-hand side. It's the one with the dark blue door. The entrance is through the small gate to the right of the main door, then down the side passage to the back."
You've just prevented three potential wrong turns before they've even reached the key safe.
Write for the Worst-Case Scenario
When you're writing check-in instructions, don't picture your ideal guest. Picture the one who's having a bad day.
They're arriving late. It's dark. It's raining. They don't know the area. Their phone is nearly dead. They've got heavy bags and possibly a small child who's missed bedtime. They didn't read your pre-arrival message properly because they were busy packing.
That's who you're writing for. If your instructions work for that person, they'll work for everyone.
This means being specific in ways that might feel over the top. But trust me, no guest has ever complained that check-in instructions were too detailed. The complaints only ever go the other way.
Instead of "the key safe is by the door," try: "The key safe is a small black box mounted on the wall to the left of the front door, about waist height. It's partially hidden behind the drainpipe. You'll see it when you step up to the porch."
That level of detail takes an extra thirty seconds to write and saves hours of back-and-forth over the course of a year.
Break It Into Numbered Steps
This is a simple formatting trick that makes a massive difference. Walls of text are hard to follow when you're standing in the dark holding a suitcase. Numbered steps are not.
Structure your instructions as a clear, sequential process. Each step should contain one action. Not two, not three. One.
Here's an example:
Park on Clifton Road. Our house is number 14, left-hand side, dark blue door.
Walk through the small black gate to the right of the front door.
Follow the side passage to the back garden.
The key safe is on the wall to your left, next to the back door. It's a small black box at waist height.
Press the bottom of the key safe cover to flip it open.
Turn the dials to the code: 4-7-2-9 (left to right).
Pull the front of the key safe down to open it. The key is inside.
Use the key to open the back door. Turn the key clockwise, then push the door firmly (it sticks a little).
Once inside, pop the key on the hook by the door.
Welcome home. The WiFi password and everything else you need is in your guidebook.
Ten steps might seem like a lot, but each one is short and specific. A guest can work through them one at a time without having to hold the entire process in their head.
Use Photos (and Label Them)
If there's one thing that transforms check-in instructions from "fine" to "brilliant," it's photos.
A photo of your front door from the street. A photo of the gate they need to go through. A photo of the key safe with an arrow showing where it is. A photo of the key safe open with the dials visible.
Most hosting questions come down to "I can't find the thing" or "I found the thing but I don't know how to use it." Photos solve both problems instantly.
Take the photos from your guest's perspective, not yours. Stand where they'll be standing when they first approach the property. Show what they'll actually see, including any landmarks or visual cues that help them confirm they're in the right spot.
If you use a smart lock or digital keypad instead of a key safe, photos are even more important. Not all keypads work the same way, and a quick picture showing which button to press first saves a lot of confusion.
In a digital guidebook, these photos sit right alongside the text, so guests see the instruction and the image together on their phone. Much harder to do with a long Airbnb message or a PDF attachment.
Cover the Three Things That Go Wrong
No matter how good your instructions are, things occasionally don't go to plan. The best check-in guides anticipate this and give guests a way to solve problems without needing to contact you.
There are three common hiccups:
The key safe won't open. Usually this is because the guest is entering the code slightly wrong, or the mechanism is stiff. Add a troubleshooting line: "If the key safe doesn't open on the first try, make sure each dial is lined up exactly with the white line. Give the dials a firm click into position and try again. It can be a bit stiff in cold weather."
The door won't open. Old doors stick. New doors sometimes need a specific technique. If yours has any quirks at all, describe them: "The back door needs a firm push with your shoulder while turning the key. It's not broken, just a bit stubborn."
They can't find the property. This happens more than you'd think, especially in the dark or in areas with confusing numbering. Include a Google Maps pin link and a line like: "If you're struggling to find us, here's the exact map pin: [link]. We're between the red-brick house and the one with the white fence."
Having these fallbacks written into your instructions means that even when something goes a bit sideways, your guest can sort it out themselves. That's the whole point of self check-in.
Smart Locks and Digital Access
If you've moved away from key safes and onto smart locks, keypads, or app-based access, the principles are the same but the details change.
For smart locks and keypads:
State the access code clearly, with spaces between each digit for readability (4 7 2 9, not 4729).
Explain which button to press first if there's an activation step.
Mention whether the code changes with each booking or stays the same.
Include a photo of the keypad with the relevant buttons highlighted.
Add a troubleshooting note about battery life or connectivity if applicable.
For app-based access:
Tell guests to download the app before they arrive, ideally in your pre-arrival message a day or two out.
Walk them through the setup process step by step.
Have a backup plan in case the app doesn't work (a physical key hidden somewhere, a backup code, or your phone number for emergencies).
The biggest mistake hosts make with smart locks is assuming the technology explains itself. It doesn't. A guest who's never used a Nuki or a Yale smart lock needs just as much guidance as one using a traditional key safe. The instructions just look slightly different.
Timing Matters: When to Send Your Instructions
Great instructions that arrive at the wrong time are almost as useless as bad instructions.
Send them too early and they get buried. Send them too late and your guest is already on their way, stressed about not knowing how to get in.
The sweet spot for most hosts is a two-touch approach:
First touch: 2 to 3 days before arrival. A message with the essentials (address, parking, access code) and a link to your full digital guidebook. This gives them time to read it properly and ask questions if anything's unclear.
Second touch: Day of arrival, a few hours before their expected check-in time. A shorter message with just the check-in steps and the guidebook link again. This is the message they'll actually have on their screen when they arrive.
The guidebook link is the constant in both messages. Even if they lose the messages or forget the details, that one link always has everything they need.
The Check-In That Earns Five Stars
Here's something worth remembering. Check-in is the very first real-world interaction your guest has with your property. Everything before that point has been digital: photos, messages, booking confirmations. Check-in is where expectation meets reality.
A smooth, stress-free arrival sets the tone for the entire stay. A guest who walks in effortlessly, finds the WiFi, and settles in within ten minutes is already in a great mood. A guest who spent twenty minutes in the rain trying to figure out the key safe is starting from a deficit that's hard to recover from, no matter how lovely the property is.
Your check-in instructions are doing more work than you think. They're not just functional. They're part of the experience.
Put It All in One Place
If you're currently sending check-in instructions as a long Airbnb message, consider moving them into a digital guidebook where they live alongside everything else your guest needs. That way, check-in, WiFi, house rules, local tips, and check-out are all accessible from a single link that works on any phone.
GuestIntro builds the whole thing for you. Enter your property details and it generates a complete digital guidebook, check-in instructions and all, ready to share with every booking. One link, every answer, no midnight messages.
Your guests will thank you. Quietly, from inside the property, because they got in without any trouble at all.
Check-in is just one piece. Here's what else to include in your guidebook.
