Does this pry off from the outside? I don't know
Like an automatic indicator? If that's what you mean, you already have one in your car. The indicator will turn off when you have finished turning. It shouldn't take much to change it so it activates when you start turning. However such a device would not be practical (or safe) for use on the roads, as it would not give enough prior warning to other drivers.
We are going to need to know what year, make and model vehicle you have to answer that.
Remove inner door panel for access
No, it is NOT an indicator of a chemical reaction. Change in color IS an indicator of chemical change, though.
A left-hand indicator signal is typically required when exiting a roundabout if you are taking the first exit or turning left. It informs other drivers of your intention to exit or turn, ensuring smooth and safe traffic flow. However, it is important to check your local traffic laws as specific regulations may vary by region.
The indicator bulb on the VW Beetle wing mirror is an LED which means the unit must be replaced. You need to remove the mirror glass to access the LED.
To change the mirror indicator bulb on a VW Golf MK5, first find the removable panel that covers the attaching screw. Removing the screw will open the panel to give access to the bulb.
Try http://hondatech.info/downloads/Auto for free downloads of Honda Service Manuals and Diagrams.
if this is the one on the bumper, you can access it from the bottom of the bumper. turn it as if you are loosening it. it should come out. if this is the one inside the cluster panel, remove the cluster and see which bulb it is. you should find this bulb at a parts store or a Toyota dealership.
The exact method for switching drivers on your computer depends upon which Microsoft system you are running. However in general, access the control panel (usually via the start menu), select 'Performance and Maintenance', then 'System', then 'device manager'. Right click on the driver you wish to change to access the wizard, which will take you through the change process.
Change in Color.
Renault Service - computer controlled indicator. You may change oil by yourself, but the indicator won't change until it is reset digitally. What does this mean?