If the engine will not start If the engine will not start even though correct starting procedures are being followed (Engine (ignition) switch), consider each of the following points: The engine will not start even though the starter motor operates normally. One of the following may be the cause of the problem: There may not be sufficient fuel in the vehicle’s tank. Refuel the vehicle. The engine may be flooded. Try to restart the engine again following correct starting procedures. (Engine (ignition) switch) There may be a malfunction in the engine immobilizer system. (Engine immobilizer system) The starter motor turns over slowly, the interior lights and headlights are dim, or the horn does not sound or sounds at a low volume. One of the following may be the cause of the problem: The battery may be discharged. (If the vehicle battery is discharged) The battery terminal connections may be loose or corroded. (Battery exterior) The starter motor does not turn over The engine starting system may be malfunctioning due to an electrical problem such as electronic key battery depletion or a blown fuse. However, an interim measure is available to start the engine. (Emergency start function) The starter motor does not turn over, the interior lights and headlights do not turn on, or the horn does not sound. One of the following may be the cause of the problem: The battery may be discharged. (If the vehicle battery is discharged) One or both of the battery terminals may be disconnected. (Battery exterior) Contact your Toyota dealer if the problem cannot be repaired, or if repair procedures are unknown. Emergency start function When the engine does not start, the following steps can be used as an interim measure to start the engine if the engine switch is functioning normally.Do not use this starting procedure except in case of emergency. Pull the parking brake switch to check that the parking brake is set. (Parking brake) Check that the shift lever is in P (automatic transmission) or N (manual transmission). Turn the engine switch to ACC^{*1, 2}. Press and hold the engine switch for about 15 seconds while depressing the brake pedal (automatic transmission) or clutch pedal (manual transmission) firmly. Even if the engine can be started using the above steps, the system may be malfunctioning. Have the vehicle inspected by your Toyota dealer. ^*1ACC mode can be enabled/disabled on the customize menu. (Customizable features) ^*2When ACC is disabled, turn the engine switch to ON then OFF, and perform the following step within 5 seconds.