ACPI

Brightness

$ echo 90 | sudo tee /sys/class/backlight/intel_backlight/brightness

The maximal brightness can be found in /sys/class/backlight/intel_backlight/max_brightness

Alternatively

$ xbacklight -set 2

Bluetooth (thinkpad-acpi)

# cat /proc/acpi/ibm/bluetooth
status: enabled
commands: enable, disable

# echo "disable" > /proc/acpi/ibm/bluetooth

Add to /etc/rc.d/rc.local:
echo 0 > /sys/devices/platform/thinkpad_acpi/bluetooth_enable

How to setup Bluetooth