2009 Acura MDX Owner's Manual - Page 344

Main Menu Table Of Contents Starting the Engine 5. If the engine does not start within 15 seconds, or starts but stalls right away, repeat step 4 with the accelerator pedal pressed halfway down. If the engine starts, release pressure on the accelerator pedal so the engine does not race. 6. If the engine fails to start, press the accelerator pedal all the way down, and hold it there while starting to clear flooding. If the engine still does not start, return to step 5. If there is a problem with the starting system, you will see a ''CHECK STARTING SYSTEM'' message on the multi-information display when the ignition switch is turned to the ON (II) position. You will also see this message when the auto control mode of the starting system has a problem. Check Starting System Message If this message is on, the ignition switch has to be held in the START (III) position manually until the engine starts. The ignition switch can be held in that position up to 15 seconds. Even though you may be able to start the engine manually without the auto control mode of the starting system, have your dealer inspect your vehicle. The engine is harder to start in cold weather. Also, the thinner air found at altitudes above 8,000 feet (2,400 meters) adds to this problem. 340 2009 MDX