Advance Auto Parts at 301 N Main St in Mount Pleasant sells automotive aftermarket products. The store offers free battery testing, free battery and wiper installations with purchase, free engine code scanning, free starter and alternator testing, and free battery and oil recycling. Same‑day options are available at most locations. Customers can sign up for Speed Perks, the loyalty program that earns points toward discounts on store items and gas at participating Shell stations. Online ordering is possible with pickup. Staff are friendly and knowledgeable, and many customers say the assistance is professional.