RV Mirror Adjustment
Proper alignment of an RV's side mirrors. Critical for safe driving — RV blind spots are significantly larger than car blind spots.
Also called: RV mirror adjustment, mirror adjustment, side mirror setup, tow mirror adjustment
RV mirror adjustment is the proper alignment of an RV’s side mirrors before driving. Critical for safe driving — RV blind spots are significantly larger than car blind spots and proper mirror setup is the only way to manage them.
Why RV mirrors are different
- Larger surface area — RV mirrors are 12-24” wide vs. 6-9” car mirrors
- Often have a small convex mirror integrated for blind spot visibility
- May be telescoping to accommodate trailer width
- Power-adjusted in most modern rentals
The adjustment routine
Before every drive:
Step 1: Position yourself in the driver’s seat
Sit normally with your back against the seat and hands at the wheel.
Step 2: Adjust the main mirror
- Outer edge should show the rear corner of the rig (or trailer end)
- Inner edge should overlap slightly with the back glass view
- Vertical aim should center on the side of the rig at about door-handle height
Step 3: Adjust the convex (blind spot) mirror
- Aim downward and outward to show the area beside the rig
- Should show the rear wheel when properly adjusted
- Should overlap with the main mirror’s view
Step 4: Verify with a walk-around
Get out, walk around the rig, return and check:
- Can you see your own feet in the bottom of the side mirror when standing 4 ft from the rig?
- Can you see at least 2 lanes of traffic in both side mirrors?
Tow mirrors (for trailer towing)
When towing a trailer, factory mirrors may not extend far enough out to see past the trailer width. Solutions:
- Telescoping factory mirrors — extend the mirror outward
- Clip-on tow mirrors — temporary add-ons for trailer towing
- Aftermarket replacement — installed permanently on the tow vehicle
Most peer-to-peer trailer rentals come with appropriate mirror setup. Verify at pickup.
Common adjustment mistakes
- Mirrors aimed at the side of the rig — wastes the mirror’s view
- Convex mirror aimed too high — shows sky instead of blind spot
- Not readjusting after passenger swap — mirrors are personalized
- Folded for storage but not unfolded — happens with auto-fold mirrors
Highway driving with proper mirrors
With properly adjusted mirrors, you should be able to:
- See vehicles approaching from behind in your mirror
- Track vehicles overtaking you through your blind spot
- See the white line on the side of the road in your peripheral view
- Glance rather than turn your head — eyes-on-the-road safety
Mirror types in different RVs
| Rental class | Typical mirrors |
|---|---|
| Class A motorhome | Large 18-24” power mirrors with convex |
| Class C motorhome | Truck-derived 12-18” power mirrors |
| Class B camper van | Standard tall-van power mirrors |
| Tow vehicle for trailer | Factory mirrors plus possibly extenders |
Check during the walkthrough
During the walkthrough, ask the rental staff to demonstrate:
- Mirror adjustment from inside the cab
- Mirror folding for storage
- Convex mirror positioning
- Tow mirror extension (if applicable)