Shell at 7170 Avenida Encinas in Carlsbad's Aviara area anchors the south end of Poinsettia Village Plaza, the only fueling station at the Poinsettia Lane and Avenida Encinas interchange near Batiquitos Lagoon. The touchless laser car wash and Shell V-Power NiTRO+ Premium pumps serve the residential traffic flowing between the Aviara community and Interstate 5, a vehicle-care corridor that also includes mobile ceramic-coating services from Knox Detailing in the Carlsbad area. Diesel and propane exchange round out the fuel island, and the convenience store shares the plaza with a Ralphs grocery anchor, creating a single-stop errand loop for Aviara and La Costa residents. Shell Fuel Rewards members earn per-gallon savings that stack with the station's car-wash-and-fuel bundle pricing. Breakdowns on the Avenida Encinas stretch between Poinsettia Lane and the Batiquitos Lagoon bridge are handled by North County operators such as North County Roadside Assistance & Towing. The laser-wash system uses a touchless Washworld profile that applies pre-soak, tri-foam polish, and spot-free rinse in a single 3.5-minute cycle without brush contact.