Here’s how to activate and manage your Techron Advantage Card (issued by Synchrony Bank for Chevron/Texaco gas stations): 🔐 1. Online Activation Visit techronadvantagecard.com/activate Click the “Activate Card” button Enter: Your 16-digit account number. 3-digit security … Continue reading Techronadvantage Card.com/Myaccount Activate Card: Techron Advantage Visa Card