When does the upper exit open?

It opens after the numeric and colored access stages are cleared.

Brain Puzzle: Tricky Quest level guide

Brain Puzzle: Tricky Quest Level 40 Walkthrough

hard

Recover code 135792 from the fallen guard, clear each colored access panel, and open the upper exit to the waiting car.

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Tap the red OFF wall switch beside the first blue door to cut the electricity and open that door safely.
Tap the seated fallen guard on the left to reveal the six digits, then enter 135792 on the numeric keypad.
Drag the lower fallen guard's hand onto the blue fingerprint scanner to clear the biometric door.
Pick up the drill from the floor and use it on the jammed red wall control to expose its backup mechanism.
Drag the brown torch from the left wall into the fire barrel, then drag the lit torch across the ice covering the blue panel to melt it.
Activate the exposed green panel, press the final red control, and tap the upper door; the agent reaches the powered car.

Board notes 5 details

Layout: An agent stands in a guarded facility with fallen guards, three door panels, fire barrel, tools, colored controls, and an upper exit.
Goal: Open every locked door in sequence and escape through the top exit.
Opening: Tap the wall power switch to cut the electricity, inspect the seated fallen guard, and enter code 135792 on the keypad.
Danger Zone: Later controls cannot bypass an earlier locked panel.
Mechanics: The escape combines a numeric code, guard equipment, environmental heat, and color-coded access.

What is the keypad code?
Enter 135792.
Where is the code found?
Inspect the fallen guard.
When does the upper exit open?
It opens after the numeric and colored access stages are cleared.