The 2013 Subaru Impreza WRX is a moderately difficult vehicle to maintain, and is only recommended to those capable of vehicle maintenance. You will have to remove a large panel from under the vehicle for access to the petcock for a coolant drain. Changing the fog light with reliability can be a problem, as you will have to peel back the wheel well lining for access. This lining can grow tight to the vehicle. You will have to remove the glove box for access to the cabin air filter. This would have been easier if there were an access panel instead.
Some things are easier on the 2013 Subaru Impreza WRX. The components of the spare tire are easily accessible in the rear of the vehicle. This keeps the tire and jack kit ready to go in case of emergency. The brake fluid reservoir is easily visible in the engine bay. This will allow you to check and replenish the fluid level on a regular basis. Changing the front wiper blade is no problem. Other models will require the use of tools.
Don't be caught in the fog with burnt out fog light bulbs
If you have an electrical component that doesn't work, try replacing the fuse first
Avoid tickets and accidents with both working headlights! New bulbs are much brighter too
Learn where your spare tire and jack are located before you need it on the side of the road