Do I Need CAN Bus Safe LEDs? No. If anything, you should actively steer clear of them. Why? Smart vehicles do not use the CAN Bus to monitor the lights. On some vehicles like BMWs etc, the car monitors the bulbs to tell you if they have failed. It does this by...
Kane Harrison
Canister Oil Filters


The canister oil filters are of a better construction than the original fortwo and Roadster paper filters. There are a few things to consider before just picking up any old filter from a car spares shop.
Car Battery Maintenance



Battery maintenance is a dying art with the newest generation of car owners so lets bring it back to the people
Carbon Fibre Effect Dash Instrument Surrounds
A simple how-to for putting self-adhesive carbon fibre effect film on the fortwo pods and speedo shroud.
CAT B Write Off



This story below was correct at time of writing, circa mid 2015. Unfortunately in that time, the Government has scrapped the VIC test. CAT C cars no longer require a VIC test. They just need to pass an MOT. CAT B and CAT A cars now cannot be booked in for a VIC test....
CD Changer Fitting
The Grundig multichanger is now becoming fairly easy and cheap to purchase. The official one is the Grundig MCD36 but as far as I can tell, any Grundig changer will work. Grundig CD changers were also available in some Fiats. Although the official CD changer was 6...
CDI Inlet Manifold Removal
This is very similar for the 450 CDI and both models of 451 Diesel. This is for a 45bhp 451 CDI which is almost the same as the 450 CDI. The 54bhp CDI has a throttle body connected to the left side of the inlet manifold. The air inlet manifold is held to the engine...
Changing A Wheel



There's no excuse for not knowing how to change the wheel on your smart.
Changing Exterior Bulbs To LEDs


Here is a question I have been receiving more and more. "Can I change all of the bulbs in my car to LEDs?" The answer to that question is yes. However, the better question is "Should I change all of the bulbs in my car to LEDs?" The answer to that one isn't a straight...
Changing Glow Plugs
How to change the glow plugs in your smart fortwo.
Changing Interior Bulbs

This page now covers the Roadster, old fortwo 450 and the new fortwo 451. Roadster Lever the side of the bulb diffuser down. Slide the unit to the left. Squeeze the two plastic clips shown below. Slide the bulb and its holder to the right. You can now pull the bulb...
Charge Cooler Fluid Change
This probably isn't the information you think it is. However, it's more important. How Do I Drain The Charge Cooler System? See, this is the information you thought was going to be here but really, it's not. All you have to do is take a pipe off the charge cooler...
Charge Cooler Fluid Info
Just in case you can't read German
Cheap BOSE Sub





There are a lot of small amp/sub combos but you have to pay a lot for anything reasonable with a name you recognise on it.
You can buy no-name cheap compact/under-seat subs but are they going to be any good?
How about an excellent name in audio? How about a sub from BOSE that costs half the price of a cheap sub?
Check Valve Bleed Nipples

Do you want an easy way to bleed your brakes? Well it doesn't get easier than this.
Checking ABS Reluctor Rings

The ABS (reluctor) rings are now becoming a common problem on the smart.
Checking the Oil Level
The oil in your car keeps things moving and not melting into one big part.
Checking Wheel Bearings



When bearings begin to fail, you will hear it first and eventually feel it. The problem is that a failing bearing can sound like other problems at first, such as a stone in the tyre tread, corrosion on the brake discs or failing ball joints. How Do You Know If It's...
Clean Your Air Conditioning



Air conditioning removes water from the air, reducing humidity and allowing you to sweat to keep cool. It can also cool the air in summer.
Cleaning Silicone Pipes



Being in the engine bay, silicone pipes get a bit dirty over time. Let's clean 'em.