Remove the front door inside quarter trim panel (A).
Disconnect the power outside mirror connector from the wiring harness.
Apply battery voltage to each terminal as shown in the table, and check that the mirror operates correctly. [Mirror Control (LH/RH)][Puddle Lamp][BSD Indicator][Mirror Heater][Side Repeater Lamp]
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Test yourself
A quick Hyundai Elantra AD quiz: every answer comes with an explanation and a link to the manual page.