2003 Chevrolet Tahoe Owner's Manual - Page 111

Notice: If your key seems stuck in LOCK and you Starting Your Engine can't turn it, be sure you are using the correct key; if so, is it all the way in? Turn the key only with Move your shift lever to PARK (P) or NEUTRAL (N). your hand. Using a tool to force it could break the Your engine won't start in any other position - that's a key or the ignition switch. none of these works, If safety feature. To restart when you're already moving, then your vehicle needs service. use NEUTRAL (N) only. C (RUN): This is the position for driving. D (START): This position starts your engine. Retained Accessory Power (RAP) Your vehicle may be equipped with a Retained Accessory Power (RAP) feature which will allow certain features on your vehicle to continue to work up to 10 minutes after the ignition key is turned to OFF. Your radio, power windows, sunroof (if equipped), and Onstar@System (if equipped) will work when the ignition key is in RUN or ACCESSORY. Once the key is turned from RUN to LOCK, these features will continue to work for up to 10 minutes or until a door is opened. Notice: Don't try to shift toPARK (P) if your vehicle is moving. If you do, you could damage the transmission. Shift to PARK (P) only when your vehicle is stopped. 1. With your foot off the accelerator pedal, turn the ignition key to START. When the engine starts, let go of the key. The idle speed will go down as your engine gets warm. Notice: Holding your key in START for longer than 15 seconds at a time will cause your battery to be drained much sooner. And the excessiveheat can damage your starter motor. Wait about 15 seconds between each try to help avoid draining your battery or damaging yourstarter. 2. If it doesn't start within 10 seconds, push the accelerator pedal all the way to the floor, while you hold the ignition key in START. When the engine starts, let go of the key and let up on the accelerator pedal. Wait about 15 seconds between each try. 2-22