Keep your headlights clear with car wax, just wipe ordinary car wax on your headlights. It contains water repellents that prevent mess and gunk from accumulating. The wax lasts about 6 months.
Squeak-proof your wipers with rubbing alcohol! Wipe the wipers with a cloth saturated with rubbing alcohol or ammonia. This one trick can make badly streaking & squeaking wipers change to near perfect silence & clarity.
Ice-proof your windows with vinegar! Just fill a spray bottle with three parts vinegar to one part water & spritz it on all your windows at night. In the morning, they'll be clear of icy mess. Vinegar contains acetic acid, which raises the freezing point of water ---preventing frost from forming!
Prevent car doors from freezing shut with cooking spray! Spray cooking oil (corn oil-based) on the rubber seals around car doors & rub it in with a paper towel. The cooking spray prevents water from freezing onto the rubber
Fog-proof your windshield with shaving cream! Spray some shaving cream on the inside of your windshield & wipe it off with paper towels, leaving no smears. Shaving cream has many of the same ingredients found in commercial defoggers.
De-ice your lock in seconds with hand sanitizer! Just put some hand sanitizer gel on the key & the lock and your problem is solved!