I removed the sptu-1 passtime device from my 2012 GMC Acadia and it won't crank or start or anything?

SOURCE: How do you completely remove a passtime device from a car?

Get your cell mate to remove it because if you do you will be charged with a Felony for tampering with mortgaged property.

SOURCE: Disabling PassTime device on 03 Ford F150

Find the passtime device , it's usually under the dash near the ignition switch. You can trace it by following the wire from the remote eye. There are 5 wires with a plug connector plugged into the device. Leave the red, pink and black wires alone. The blue wire comes from your ignition switch and goes to a relay switch inside the device. The purple wire comes from that switch to your starter.
Leave them cut from the device, but solder, (or connect in some manner) them together so that the passtime device is bypassed. Then your starter will get power when you turn the key. That's all there is to it.
the passtime device will still appear to be functioning. It will beep and take codes from the remote, but regardless of whether it is timed out or not your starter will still get power.

**IMPORTANT NOTICE**

It should be noted that the passtime system is property of the dealership and removal of this device may violate your contract with the dealership and in some states is a punishable offense.

SOURCE: How do you disable a passtime device?

Of all the ways to permanently disable airbags, only one is guaranteed to prevent airbag deployment under any circumstances and works on every vehicle.
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SOURCE: 2009 gmc acadia replace rear brakes

this is on a bigger truck but its the same procedure for changing your brakes if you dont have a piston tool you can use a c-clamp with an old pad to depress piston (s)back or most auto stores will let you borrow tools
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SOURCE: I have a 2012 GMC Acadia that blows hot air from driver side vents while the passenger side is cold. I need to reset the actuator but can not I.D. the fuses

Not the fuse. Replace the driver side control motor. Under the dash at the center console.