Book Cheap National Car Hire Deals in Diamond Heights, San Francisco, United States

Before your trip, confirm if your rental includes roadside assistance. This can be crucial in case of breakdowns or emergencies during your rental period.

Many rental companies require payment by credit card and may not accept debit cards. If you only have a debit card, check the rental company's payment policies in advance and look for suitable options.

Utilize GPS devices or navigation apps on your phone to easily find your way. This can help you avoid getting lost and ensure a smoother travel experience.

Be aware that some rental companies impose age restrictions or additional fees for drivers under 25. Make sure to check the company’s age policy when booking.

If you plan to drive off-road, confirm with the rental agency whether it's permitted. Not all vehicles are suited for off-road conditions.

When hiring a car, especially if you’re arriving in Diamond Heights, San Francisco by flight, plan for extra time at pickup to accommodate any potential delays. Suppliers like National typically offer a grace period of 30-60 minutes. Providing your flight number can be helpful, but if you’re running late, be sure to call the supplier to inform them.

Ask the rental agency about any specific local driving challenges or conditions. This can help you prepare for potential difficulties during your journey.

When renting a car, understand the fuel policy. A 'Full-to-Full' policy means you return the car with a full tank, while 'Same-to-Same' means you return it with the same level of fuel. Full-to-Full is often more cost-effective.