https://www.youtube.com/watch?v=WSU3H10YfGc3. The coolant reservoir / sensor will trigger a low coolant level warning in the gauge cluster despite being full. Granted, if you have enough coolant, that's great, but not trusting your reservoir, gauge cluster kind of sucks too.
https://www.youtube.com/watch?v=4Cd01ZWc0jk4. Hood latch sensors. These give out causing the alarm to go off randomly.