Can the Police Search My Car for Marijuana or Alcohol?

If you are a California resident, you no doubt have heard by now that California voters have legalized the recreational use and possession of small amounts of marijuana, effective immediately. And alcohol has of course been legal since the end of Prohibition. So why would a police officer ever have reason to search your car or vehicle for evidence of marijuana or alcohol? Because numerous situations remain in which you might face criminal charges based on the presence of alcohol or marijuana in your vehicle, including: Driving while intoxicated Driving under the influence of alcohol (DUI) Open container laws Possession...