Will this mirror bolt directly to my truck without any drilling or bracket work?

Yes. This mirror uses factory mounting points — no drilling or adapter brackets required. Direct bolt-on fit.

Do I need to run new wiring, or does it connect to the existing mirror harness?

Connection method is not specified in the product data — verify your truck's mirror harness compatibility and electrical routing before installation. Some trucks may require adapter harnesses or rewiring depending on original mirror configuration.

Is the heating element durable in heavy snow and ice, or does it need maintenance?

The heating element is factory-engineered for winter durability. Once installed and powered, it operates on demand — no maintenance needed. If it fails, the mirror assembly itself is the replacement; heating elements are not field-serviceable.