You need to place resistors in line with the indicator feed as the power draw is less thus the car thinks the bulb is blown.
I used a pair of these
You need to place them in parallel using scotch clips on wire no 1 on each lamp connector.
Wire number 1 is the top left wire as you look at the connector form the rear.
Passenger colour is white
Driver side colour is yellow
I did this 3 years ago so I hope this info is correct!!