Audi TT Mk1 - What should you be checking weekly on the car?

What should you be checking every week to keep your classic Audi TT Quattro Mark 1 on the road? Some of these cars are over 20 years old now and need to be looked after with the respect and care the deserve. Some of these checks are to keep you safe and keep the car in tip top condition.
This is focused on the Audi TT Mk1 Quattro but you could apply these checks to any car to keep it safe and working!
Let me know your thoughts on these checks and any more you feel I should add in the comments section below.
Areas covered include:
Engine Oil checks
Coolant checks
Brake and clutch fluid checks
Electrical System
Battery
Washer Fluid level checks
Tyres
Wiper Blades