When you replace bulbs, take some precautions including ensuring that the bulb is not hot in case it was used recently, separating the battery before working on bulb contacts to clean any corrosion or dirt for correct metal-to-metal contact and handling a new bulb with care without touching the glass so as to avoid moisture and grease contamination. For exterior lights such as xenon (HID) headlights or halogen headlights, access them through covers or caps, disconnect electrical connectors and release retaining clips replacing bulbs making sure to avoid touching the bulb glass. The low-beam bulbs are accessible through an inner fender liner flap while front side marker/turn signal/side turn light/front fog light/high-mount brake light bulbs have specific procedures for removal and installation. Body-mounted rear lights on sedan E-series chassis models and F-series chassis models are accessed by releasing retaining clips or removing taillight housing; sports wagon models are accessed differently from this. Trunk lid-mounted/tailgate-mounted/license plate lightbulbs each have their own individual steps for replacement. Interior lights like center light unit bulbs/front light unit bulbs/footwell light bulbs/trunk light bulbs/instrument panel lights/glove box lightbulbs/heater/air conditioning control panel switch illumination/vanity lights LED specific procedure available for their removal and installation where non-replaceable is stated in some cases.