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