Here are some tips for visiting Del Taco in Mission Viejo, California:

1. **Menu Highlights**: Try their signature Del Tacos and the famous crinkle-cut fries. Their combo meals often offer good value.

2. **Customization**: Take advantage of the ability to customize your tacos with different proteins, salsas, and toppings.

3. **Daily Specials**: Check for any daily or weekly special promotions, as Del Taco frequently offers discounts on certain menu items.

4. **Morning Menu**: If you're there for breakfast, don’t miss the breakfast burritos and their unique breakfast tacos.

5. **Online Ordering**: Consider using their app or website for convenient online ordering, especially during peak hours.

6. **Dining Options**: The facility may offer both drive-thru and dine-in options; check for seating arrangements if you prefer to eat inside.

Enjoy your meal!