Sienta 1.5L 豪華版配備 L2 駕駛輔助，功能包括全速域自適應巡航、前方碰撞警示、主動煞車、車道偏離警示、車道維持同車道置中。泊車及轉線支援亦算齊全，有盲點輔助、倒車車側警示、開門碰撞警示、前後泊車雷達、360度全景影像同上坡輔助。基本主動安全系統就有 ABS、EBD、煞車輔助、牽引力控制、車身穩定系統及胎壓偵測。
The Sienta 1.5L Luxury comes with L2 driver assistance, including full-speed adaptive cruise control, forward collision warning, autonomous emergency braking, lane departure warning, lane-keeping assist and lane centring. It also has blind-spot monitoring, rear cross-traffic alert, door-opening collision warning, front and rear parking sensors, a 360-degree camera and hill-start assist. Core active safety systems cover ABS, EBD, brake assist, traction control, vehicle stability control and tyre-pressure monitoring.
