2010 Toyota Highlander Owners Manual - Page 559

5 -2 . St e ps t o t a k e in a n e m e rge nc y I f t he e ngine w ill not st a r t If the engine still does not start after following the correct starting procedure (→P. 173, 177) or releasing the steering lock (→P. 175, 178), confirm the following points. n The engine will not start even when the starter motor operates normally. One of the following may be the cause of the problem. l There may not be sufficient fuel in the vehicle's tank. Refuel the vehicle. l The engine may be flooded. Try to restart the engine once more following correct starting procedures. (→P. 173, 177) l There may be a malfunction in the engine immobilizer system. (→P. 115) n 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. l The battery may be discharged. (→P. 541) l The battery terminal connections may be loose or corroded. n The starter motor does not turn over (vehicles with smart key system). The engine starting system may be malfunctioning due to an electrical problem such as an open circuit or a blown fuse. However, an interim measure is available to start the engine. (→P. 536) 5 When trouble arises 535