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Where is the neutral safety switch located on a 2000 Chevy Metro and what work it does?

On a 2000 Chevy Metro (also known as the Suzuki Swift/Aerio in some markets), the neutral safety switch is typically located on the transmission itself. It's often near where the shift linkage connects to the transmission. It's a small, usually cylindrical, switch. Precise location varies slightly depending on the specific transmission type (automatic or manual; even within automatic there might be slight variations).

What it does: The neutral safety switch prevents the engine from starting unless the transmission is in the Park (P) or Neutral (N) position. This crucial safety feature avoids accidental starting while the car is in gear, which could lead to sudden, uncontrolled movement and injury. It's wired into the starting circuit, acting as a "gatekeeper" to allow the starter to engage only when the transmission is in a safe position.