• Spare tire (check it regularly to ensure it’s fully inflated)
• Working jack
• Lug wrench
• First Aid Kit for medical emergencies
• Reflective triangles to set out on the road or flares
• Jumper cables
• Flashlight with working batteries
• Insurance ID card, car registration, any motor club cards
• Pen and paper
• Fire extinguisher (A, B, C type)
• Local map of the area
• Extra fuses
• Duct tape, wire and bungee cords for quick fixes
• Sheet or cardboard in case you have to crawl under the car
• Brake & power steering fluid
• Oil & transmission fluid
• Anti-freeze
• Water
• Tools (screwdriver, pliers & adjustable wrench)
• Empty gas can (never carry gas in the car or trunk)
• Cell phone — but don’t use your phone while driving
• Walking shoes

And in winter…

• Snow brush
• Ice scraper
• Windshield washer fluid with de-icer
• Small shovel
• Sand or cat litter for traction
• Blanket for personal warmth