I assume you mean a turn signal indicator on the instrument panel. Remove the instrument cluster (procedure varies with different vehicles). The bulbs for all the warning and indicator lights, as well as for instrument illumination, are typically in twist-out holders mounted on the back side of the cluster.
how to repair a citreon saxo indicator bulb
Which bulb, exactly?
The indicator panel should by carefully pried out. Then you can change the bulb.
how do i change indicator bulb in e class wing mirror
How do you change the -driver side rear bulb Ford Taurus Station wagon turn indicator? The front indicator works but blinks really fast.
What is the bulb sizes
my rear left indicator and alarm light doesnt work, hoe do I change the bulb?.
yes
Use a flathead and wedge it out
with your hand
change the bulb
Which one? There are up to ten of them.