See What Others Can’t: Why Towing Mirrors Are Essential in New Zealand
15th Oct 2025
See What Others Can’t: Why Towing Mirrors Are Essential in New Zealand
If you’ve ever towed a caravan or large trailer, you’ll know that visibility can change in an instant. Your standard vehicle mirrors, which work perfectly day to day, suddenly don’t show the full picture once there’s a caravan sitting behind you. That’s where towing mirrors come in — not just as a convenience, but as a legal and safety essential on New Zealand roads.
Understanding New Zealand’s Towing Mirror Requirements
Under New Zealand law, drivers must always have a clear and continuous view of the road behind their vehicle and trailer. If your caravan or load is wider than your towing vehicle, or if it blocks your rear vision, you are legally required to fit additional towing mirrors that extend your view.
In simple terms:
- If you can’t see at least 20 metres behind and 4 metres on either side of your towed load, you need towing mirrors.
- These mirrors must be securely mounted and remain stable while driving at highway speeds.
- Failing to use adequate mirrors when required can result in fines and, more importantly, serious safety risks.
How Proper Mirrors Improve Safety
Good visibility doesn’t just make driving easier — it’s critical for safe lane changes, overtaking, and merging. Properly fitted towing mirrors allow you to:
- See traffic approaching from behind without having to sway your vehicle to get a view.
- Judge safe overtaking distances more accurately.
- Monitor your trailer or caravan for sway, tyre issues, or open compartments.
- Avoid blind spots, especially when cornering or manoeuvring in tight areas.
With wider loads, the difference between a well-set pair of towing mirrors and none at all can be the difference between a smooth, confident drive and a white-knuckle experience.
Types of Towing Mirrors and How to Fit Them
There are two main styles of towing mirrors commonly used in New Zealand:
- Clip-on Mirrors
Attach directly onto your existing vehicle mirrors. They’re quick to install and remove, making them ideal for occasional towing. Look for options with secure straps and aerodynamic designs to reduce vibration. - Door- or Fitting-Mounted Mirrors
These provide even greater stability and extension for larger caravans. They mount onto the door frame or body of your vehicle for maximum visibility.
When fitting any towing mirror:
- Adjust them so you can just see the side of your caravan along the inner edge of the mirror.
- Ensure both mirrors are extended equally to maintain balance and perspective.
- Double-check they are tight and stable before hitting the road.
Spotlight on Milenco Aero Mirrors
At RV Supplies, we recommend Milenco Aero Mirrors, which are the global benchmark for towing mirror design and quality.
Here’s why:
- Aerodynamic shape reduces wind noise and vibration.
- Stainless-steel clamping screws and brass inserts prevent mirror damage and corrosion.
- Fits virtually all vehicle mirror housings, including curved and modern SUV styles.
- Convex glass gives a wide, clear view of your trailer and surrounding traffic.
- Made in the UK and compliant with all major international standards.
Milenco Aero Mirrors are available in twin packs and spare part kits, ensuring you’re covered for every trip. They’re simple to fit, extremely stable, and built to last season after season.
Final Thoughts
Good towing mirrors aren’t just about compliance, they’re about confidence. With the right setup, you can drive more comfortably, reduce fatigue, and keep both yourself and others safe on the road.
Before your next adventure, take a moment to check your mirrors. If your caravan is wider than your tow vehicle, don’t risk it, fit a quality pair of Milenco Aero Mirrors and enjoy clear vision every kilometre of the way.