Generally, the easiest option is to just replace the stereo with one that has CarPlay. That's dead easy on the 451 fortwo and 454 forfour as it takes any double DIN stereo so you have a choice of hundreds of stereos. However, it's not so easy on the 450 since that has...
Smartmods
for all your modding needs, recommended by Evilution
Mods
Applying Rain-X
Microscopically, your windscreen is a mountain range.
Applying Vinyl Logos
This shows you how to apply a vinyl logo to your car.
Aquapel
Forget Rain-X, this is the stuff you want.
Auto Button Repair
The part that pushes the switch that activates the automatic function is quite fagile and can break under use or if you attempt to remove the gearknob whilst pressing the button. The repair is fairly easy.
Auto Button Switch Test
Not only can the plastic button snap, the actual switch can fail too. Both will stop you selecting auto
Auto Dimming Rear View Mirror
The fortwo 450 and 451 rear view mirror is universally hated. It's an odd shape and sits too low. I always replace my fortwo rear view mirror (left) with one from a Roadster (right). Apart from the shape, the main difference between the fortwo and Roadster rear view...
Auto Drive Lock Info
As the world gets worse, drive lock is a very important feature that could save you from being carjacked, injured or even killed. Learn about it and find out how to turn it on.
Autolock Anti Hijack 453
Door Autolocking - Anti Hijack Driving into and out of London every night, this feature has stopped me being carjacked 3 times now. It's a very important feature that should be activated. It's so important, I'm leaving this page free to view. This feature...
Axle Caps
A decorative item to add some style to the ends of the suspension tube.
Axle Stands
Do you want to be seriously injured or die whilst playing with your car? No, didn’t think so.
Baby Seats
There is a lot of conflicting information about the fitment of baby seats
Ball Joint Checking
How To Test A Ball Joint Here is the simple method that vehicle testing stations all over the world use to check a ball joint. Jack the front wheel up on the side you are going to test. Hold the tyre at the top and bottom. Pull the top of the tyre and push the bottom...
Base Rack Fitting
Are you one of those freaks who likes to cycle or one of those types who likes to put a bike on the back of your car so it makes it look like you are healthy. Here is how to fit the base rack.
Basic Smart Engine Diagram
Adapted from a picture by Gerald Drane to make it relevant to the Smart.
Battery Fluid Test
This is a refractometer. It measures the refraction of light through different fluids. Since the refraction is known for certain fluids, it can tell you information about that fluid. They are available very cheaply on Amazon. One of the fluids this can can test is...
Battery Removal – 450
The smart standard batteries can start giving up after 3 years so get a new one before it dies.
Battery Removal – 451
Unlike the previous fortwo, the 451 has a slightly larger battery to deal with increased electrics or the MHD system. The problem with a physically larger battery is that the space is a bit tight for removal. Go over to the passenger side... ...and pull back the...
Battery Removal – Roadster
The battery fitted at the factory is usually a 3 star unit meaning it is guaranteed for 3 years. They often last longer, especially if you look after it.
Battery Trickle Charger
If you don't use your smart that often, it's a good idea to keep the battery charged.
Batteries can be managed and topped up using a trickle charger.