Here is the full list of all 63 Car Detailing Simulator achievements.
Fix windows
Fix wheels
Wash 50 cars
Overtime
Fix body
Buy auto salon
Find turtle
Pressure washer time
Sell lower price
Fix ufo
Stairs ride
Get 15 rep
Buy shed car
Repair garage
Buy garage
Finish game
See credits
Get 10 rep
Buy all upgrades
Return dirty
Car 1 minute
Water computer
Use small brush
Wash 10 cars
Use automatic polisher
Use paint meter
Use sponge
Buy all toolkits
Get 5 rep
Fix trash
Find unique
Use trash can
Fix seat
Long session
Use sand paper
Buy seat toolkit
Buy interior toolkit
Buy window toolkit
Buy garage upgrade
Use soft brush
Use wide brush
Buy wheel toolkit
Get 2 rep
Fix scratches
Use hand polisher
Use flashlight
Buy finish toolkit
Open memory
Wash 1 car
Take photo
Buy body toolkit
Buy one toolkit
Use seat spray
Finish tutorial
Use vacuum
Use window spray
Use rag
Use pressure washer
Buy lights toolkit
Wash 100 cars
Wash 500 cars
Make money