The 2018 Toyota Avanza with automatic transmission comes with the following specifications: ## Transmission Details - Type: 4-speed automatic transmission - Model designation: U441E (typical Toyota automatic transmission code for compact vehicles) - Electronic control system with adaptive shift logic - Torque converter with lock-up feature for improved fuel efficiency - Sequential shift capability available in higher trim levels ## Performance Characteristics - Smooth gear transitions optimized for city driving - Front-wheel drive configuration - Designed for balance between fuel economy and power delivery - Transmission fluid capacity: approximately 4.9 liters - ATF (Automatic Transmission Fluid) type: Toyota ATF WS or equivalent ## Maintenance Information - Recommended transmission fluid change interval: Every 40,000-60,000 km (depending on driving conditions) - Transmission control module programmed for optimal balance between economy and responsiveness - Equipped with fail-safe mode to protect from potential damage ## Associated Components - Engine options paired with this transmission: - 1.3L 1NR-FE (95 HP/121 Nm torque) - 1.5L 2NR-VE (103 HP/136 Nm torque) - Shift lever with P-R-N-D-3-2-L positions (gate pattern) - Cooling system integrated with engine radiator Is there any specific aspect of the 2018 Avanza's automatic transmission you'd like to know more about?