First, scrub them thoroughly with warm, soapy water. That's half the battle. Then, at an auto specialties store, get a liquid product called "Plast-ex", or a similar product called "Novus Number 2". They take elbow grease, but when you're done, the lenses will look factory new again.
go to your local auto parts store and buy some NevrDull or GlassX.
There are a number of Headlight cleaning kits available, some work, some don't. Google Clean your headlight lens, and call or research the companies to find the best.
buy a cleaner in the depot store
Try an Army Navy store or a thrift store. But clean em out afterwards if you buy em from a thrift store.
buy disk cleaner from the store.
A battery (with free installation at a local store such as a Pep Boys) and headlights should run about $150 for both repairs assuming you buy generic equipment.
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Yes! you can you have to buy a special cleaner to clean them. It can be found at pj's pets and almost any pet store
Hamsters do get fleas but it would be most likely for a hamster to not get lice when you buy it from the pet store. It could be possible but it mostly depends on the pet store. Does the pet store seem clean, is the cage seem clean? If not then a hamster might have lice/fleas.
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If the car is running with 12 volts, you may want to buy new headlights. New bulbs on 12 volts are plenty bright. Before you put in new headlamps, clean up the contacts that they fit onto to make sure you are getting a good clean connection, and you aren't losing any power to a dirty connection.
No, the 2009 Murano comes stock with halogen headlights. However, you can buy after-market Xeon headlights for the Murano.