2012 Toyota Sienna Owners Manual - Page 367

2 -4 . U sing ot he r driving syst e m s H ill-st a r t a ssist c ont rol ∗ Hill-start assist control helps to prevent the vehicle from rolling backwards when starting on an incline or slippery slope. To engage hill-start assist control, further depress the brake pedal when the vehicle is stopped completely. A buzzer will sound once to indicate that the system is activated. The slip indicator will also start flashing. 2 When driving ∗: If equipped 333 SIENNA_U (OM45477U)