The Kortz Center Heist in GTA Online includes several preparation missions that determine how smoothly the final robbery unfolds. While many of these objectives focus on gathering equipment and scouting the target, the Glass Cutter Prep mission hides an optional bonus that many players overlook—a locked safe containing free cash.
Opening the safe isn’t required to complete the mission, but it’s an easy way to earn extra GTA$ while you’re already inside the safe house. The trick is locating a small clue hidden elsewhere in the building: a pink sticky note containing the six-digit combination.
This guide explains where to find the safe code, every known spawn location for the sticky note, how to unlock the safe, and whether the hidden reward is worth the extra effort.
What Is the Glass Cutter Prep Mission?
The Glass Cutter Prep is one of the optional setup missions for the Kortz Center Heist.
Its primary objective is to obtain specialized glass-cutting equipment that can be used during the heist finale. While searching the safe house, you’ll eventually discover a locked safe tucked away in one of the back rooms.
Unlike many safes found throughout GTA Online, this one can’t be forced open with explosives or weapons.
Instead, you’ll need to locate the correct six-digit code hidden elsewhere inside the building.
Where Is the Locked Safe?
Once you’ve entered the safe house, continue exploring until you reach the rear section of the property.
The locked safe is located inside one of the back rooms and features a keypad requiring a six-digit combination.
Interacting with it before finding the code won’t help, so it’s best to search the building first.
Fortunately, the solution is located only a short distance away.
Where to Find the Safe Code
The safe combination is written on a pink sticky note placed somewhere inside the main office area.
Although the note always contains the required code, its exact position changes between missions.
This means you’ll need to search the office each time rather than relying on a fixed location.
Known Safe Code Spawn Locations
At the time of writing, players have found the pink sticky note in several places throughout the office.
Computer Monitor
One of the most common locations is attached directly to a computer monitor.
Look closely around the screen, as the note can blend into the surrounding office clutter.
Photocopier
The sticky note may also appear on or near the office photocopier.
Check both the top and front of the machine before moving on.
Whiteboard
Another possible spawn point is attached to a nearby whiteboard.
Because whiteboards often contain other notes and markings, the pink paper can be easy to overlook.
Take a moment to inspect the entire board carefully.
Read the Six-Digit Combination
After locating the sticky note, you’ll see a six-digit number separated into three two-digit groups.
Every mission generates its own unique code.
For example, one playthrough may display:
04-34-74
Your numbers may be completely different, so always use the code shown in your own mission.
Since the combination changes, memorizing someone else’s code won’t unlock your safe.
How to Open the Safe
After noting the combination:
- Return to the locked safe.
- Interact with the keypad.
- Enter the six-digit code exactly as shown.
- Confirm the combination.
If entered correctly, the safe will unlock immediately.
No additional puzzle or hacking minigame is required.
Safe Reward
Inside the safe you’ll find:
- $10,000 GTA$
The money can be collected instantly before continuing with the Glass Cutter Prep mission.
Although the payout isn’t massive compared to completing a full heist, it’s essentially free money that only requires a few extra seconds of exploration.
Is Opening the Safe Worth It?
Absolutely.
There are very few reasons to skip the safe once you’re already inside the building.
The process requires:
- Minimal extra time
- No additional combat
- No special equipment
- No mission failure risk
Considering the reward is guaranteed, it’s an easy opportunity to increase your earnings during the preparation phase.
Does the Safe Affect the Heist?
No.
Opening the safe is entirely optional.
The bonus cash does not:
- Unlock additional objectives
- Improve the Glass Cutter equipment
- Change the finale
- Affect secondary targets
- Alter your payout from the Kortz Center Heist
It’s simply an optional reward hidden within the mission for observant players.
Tips for Finding the Sticky Note Quickly
If you’re running the mission multiple times, these strategies can save valuable time.
Search the Office First
Rather than investigating every room in the safe house, head directly to the office area where all known sticky note locations appear.
Check Eye-Level Objects
The note is usually attached to furniture or equipment rather than lying on the floor.
Focus on:
- Computer monitors
- Office machines
- Whiteboards
- Desks
Don’t Memorize the Code
The six-digit combination changes between sessions.
Always read the note instead of attempting to reuse an older code.
Clear Hostile NPCs First
Eliminate enemies before searching.
Trying to inspect office equipment during an active firefight only slows down the mission.
Best Ways to Prepare for the Kortz Center Heist
While the Glass Cutter Prep is optional, arriving well-equipped makes every setup mission easier.
Before beginning the heist, consider:
- Purchasing quality weapons
- Stocking armor and snacks
- Upgrading combat vehicles
- Completing other optional prep missions
Players who want to accelerate overall progression can also check out our GTA 5 RP Levels service to unlock higher-level equipment, weapons, and gameplay advantages more quickly.
Earning More GTA$
The $10,000 hidden inside the safe is a nice bonus, but it represents only a small portion of your potential earnings.
To maximize profits before and after the Kortz Center Heist, combine optional rewards with other lucrative activities, including businesses, contracts, and additional heists.
If you’re saving toward expensive vehicles, luxury properties, or weapon upgrades, our GTA 5 Money Service can help you build your in-game wealth more efficiently and reduce repetitive grinding.
Improve Your Overall Progression
Successfully completing high-level content often depends on more than just having enough money.
Higher character ranks unlock better weapons, increased health, improved equipment, and additional gameplay options that make challenging missions significantly easier.
Players looking to complete difficult heists, unlock exclusive rewards, or progress faster can also explore our GTA 5 Boosts services for assistance across a wide range of GTA Online activities.
Common Mistakes Players Make
Several simple errors can cause players to miss the hidden reward.
Ignoring the Office
Many players head straight for the objective and never inspect the office where the sticky note appears.
Assuming the Code Is Always the Same
Every mission generates a new combination.
Always read the current sticky note before returning to the safe.
Overlooking Small Objects
The pink note is relatively small and can blend into office decorations.
Slow down and inspect each potential location carefully.
Leaving Before Opening the Safe
Since the safe provides guaranteed GTA$, there’s little reason to finish the mission without collecting the extra cash first.
Frequently Asked Questions
Where is the Glass Cutter Prep safe code?
The code is written on a pink sticky note located somewhere inside the main office of the safe house.
Does the sticky note always spawn in the same place?
No. It can appear on a computer monitor, a photocopier, a whiteboard, or other nearby office surfaces.
Is the safe code the same for every player?
No. The six-digit combination is randomized each time the mission is generated.
What do you get inside the safe?
Opening the safe rewards you with $10,000 GTA$.
Does opening the safe affect the Kortz Center Heist?
No. The safe is entirely optional and doesn’t influence the finale, preparation missions, or overall heist rewards.
Should I always open the safe?
Yes. Since the code is located nearby and the reward is guaranteed, it’s an easy way to earn additional GTA$ with almost no extra effort.
Final Thoughts
The hidden safe in the Glass Cutter Prep mission is one of the easiest bonus rewards to collect during the Kortz Center Heist setup in GTA Online. By taking a few moments to search the office for the randomly placed pink sticky note, you can unlock the safe and pocket an extra $10,000 GTA$ before continuing your objective. While the reward won’t dramatically change your overall earnings, it’s a worthwhile detour that adds value to every run and reinforces the importance of thoroughly exploring mission locations rather than rushing straight to the objective.