What's the 2006 Chevy Impala headlight bulb size?

On the 2006 Chevrolet Impala, the high and low beam headlamps will take two different bulb sizes. You'll use H11 (or H11 LED) bulbs in the low beam headlamps, and H9 (or H9 LED) bulbs in the high beam head lamps. If Your Impala is equipped with fog lights, the appropriate size for those is also H11 (or again, H11 LED). If You have any other bulbs that need to be replaced, You'll find that GM uses common sizes. The brake lights, rear turn signals, and tail lights are alI3057, whereas the front turn signals and parking lights are each 4157NA. The 194 is a common interior bulb size, used for the ash tray, the courtesy light, and the step light, as well as the front and rear side markers.