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